O'Donnabhain v. Comm'r , 134 T.C. 34 ( 2010 )


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  •                                        RHIANNON G. O’DONNABHAIN, PETITIONER v. COMMISSIONER
    OF INTERNAL REVENUE, RESPONDENT
    Docket No. 6402–06.                   Filed February 2, 2010.
    In 1997, P, born a genetic male, was diagnosed with gender
    identity disorder, a condition recognized in medical reference
    texts, in which an individual experiences persistent psycho-
    logical discomfort concerning his or her anatomical gender.
    Medical professionals who treat gender identity disorder pre-
    scribe for its treatment in genetic males, depending on the
    severity of the condition, (i) administration of feminizing hor-
    mones; (ii) living as a female in public; and (iii) after at least
    a year of living as a female, surgical modification of the geni-
    tals and, in some circumstances, breasts to resemble those of
    a female (sex reassignment surgery). Pursuant to this treat-
    ment regimen, P was prescribed feminizing hormones in 1997
    and continued to take them through 2001. In 2000, after
    plastic surgery to feminize facial features, P began presenting
    full time in public as a female. In 2001 P underwent sex
    reassignment surgery, including breast augmentation surgery.
    P claimed a medical expense deduction under sec. 213, I.R.C.,
    for the cost of the surgeries, transportation and other related
    expenses, and feminizing hormones, for the taxable year 2001.
    R disallowed the deduction. Held: P’s gender identity disorder
    is a ‘‘disease’’ within the meaning of sec. 213(d)(1)(A) and
    (9)(B), I.R.C. Held, further, P’s hormone therapy and sex
    reassignment surgery were ‘‘for the * * * treatment * * * of ’’
    and ‘‘[treated]’’ disease within the meaning of sec. 213(d)(1)(A)
    and (9)(B), I.R.C., respectively, and consequently the proce-
    dures are not ‘‘cosmetic surgery’’ that is excluded from the
    definition of ‘‘medical care’’ by sec. 213(d)(9)(A), I.R.C., and
    instead the amounts paid for the procedures are expenses for
    ‘‘medical care’’ that are deductible pursuant to sec. 213(a),
    I.R.C. Held, further, P’s breast augmentation surgery was
    ‘‘directed at improving * * * [her] appearance’’ and she has
    not shown that the surgery either ‘‘meaningfully [promoted]
    the proper function of the body’’ or ‘‘[treated] * * * disease’’
    within the meaning of sec. 213(d)(9)(B), I.R.C. Accordingly,
    the breast augmentation surgery is ‘‘cosmetic surgery’’ within
    the meaning of sec. 213(d)(9)(B), I.R.C., that is excluded from
    the definition of deductible ‘‘medical care’’ by sec. 213(d)(9)(A),
    I.R.C.
    Karen L. Loewy, Bennett H. Klein, Jennifer L. Levi, Wil-
    liam E. Halmkin, David J. Nagle, and Amy E. Sheridan, for
    petitioner.
    Mary P. Hamilton, John R. Mikalchus, Erika B. Cormier,
    and Molly H. Donohue, for respondent.
    34
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           35
    GALE, Judge: Respondent determined a deficiency of $5,679
    in petitioner’s Federal income tax for 2001. After conces-
    sions, 1 the issue for decision is whether petitioner may
    deduct as a medical care expense under section 213 2
    amounts paid in 2001 for hormone therapy, sex reassignment
    surgery, and breast augmentation surgery that petitioner
    contends were incurred in connection with a condition known
    as gender identity disorder.
    FINDINGS OF FACT
    Many of the facts have been stipulated, and the stipulated
    facts and attached exhibits are incorporated in our findings
    by this reference. The parties have stipulated that this case
    is appealable to the U.S. Court of Appeals for the First Cir-
    cuit.
    I. Petitioner’s Background
    Rhiannon G. O’Donnabhain (petitioner) was born a genetic
    male with unambiguous male genitalia. However, she 3 was
    uncomfortable in the male gender role from childhood and
    first wore women’s clothing secretly around age 10. Her
    discomfort regarding her gender intensified in adolescence,
    and she continued to dress in women’s clothing secretly.
    As an adult, petitioner earned a degree in civil
    engineering, served on active duty with the U.S. Coast
    Guard, found employment at an engineering firm, married,
    and fathered three children. However, her discomfort with
    her gender persisted. She felt that she was a female trapped
    in a male body, and she continued to secretly wear women’s
    clothing.
    Petitioner’s marriage ended after more than 20 years.
    After separating from her spouse in 1992, petitioner’s
    feelings that she wanted to be female intensified and grew
    more persistent. 4
    1 Petitioner concedes that she is not entitled to any deduction for an individual retirement ac-
    count contribution, and respondent concedes that petitioner is entitled to deduct $1,369.59 as
    medical expenses under sec. 213.
    2 Unless otherwise indicated, all section references are to the Internal Revenue Code of 1986,
    as amended and in effect in the year in issue, and all Rule references are to the Tax Court Rules
    of Practice and Procedure.
    3 Reflecting petitioner’s preference, we use the feminine pronoun to refer to her throughout
    this Opinion.
    4 Petitioner and her spouse were divorced in 1996.
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    36                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    II. Petitioner’s Psychotherapy and Diagnosis
    By mid-1996 petitioner’s discomfort with her male gender
    role and desire to be female intensified to the point that she
    sought out a psychotherapist to address them. After inves-
    tigating referrals, petitioner contacted Diane Ellaborn (Ms.
    Ellaborn), a licensed independent clinical social worker
    (LICSW) and psychotherapist, and commenced psychotherapy
    sessions in August 1996.
    Although not a medical doctor, Ms. Ellaborn had a mas-
    ter’s degree in social work and as an LICSW was authorized
    under Massachusetts law to diagnose and treat psychiatric
    illnesses. She had specialized training in the diagnosis and
    treatment of gender-related disorders.
    During petitioner’s psychotherapy Ms. Ellaborn learned of
    petitioner’s cross-dressing history and of her longstanding
    belief that she was really female despite her male body. Ms.
    Ellaborn observed that petitioner was very sad and anxious,
    had very low self-esteem, had limited social interactions, and
    was obsessed with issues concerning the incongruence
    between her perceived gender and her anatomical sex.
    In early 1997, after approximately 20 weekly individual
    therapy sessions, Ms. Ellaborn’s diagnosis was that peti-
    tioner was a transsexual suffering from severe gender
    identity disorder (GID), a condition listed in the Diagnostic
    and Statistical Manual of Mental Disorders (4th ed. 2000
    text revision) (DSM–IV–TR), published by the American Psy-
    chiatric Association. The DSM–IV–TR states that a diagnosis
    of GID is indicated where an individual exhibits (1) a strong
    and persistent desire to be, or belief that he or she is, the
    other sex; (2) persistent discomfort with his or her anatom-
    ical sex, including a preoccupation with getting rid of pri-
    mary or secondary sex characteristics; (3) an absence of any
    physical intersex (hermaphroditic) condition; and (4) clini-
    cally significant distress or impairment in social, occupa-
    tional, or other important areas of functioning as a result of
    the discomfort arising from the perceived incongruence
    between anatomical sex and perceived gender identity. 5 See
    5 In reaching her diagnosis Ms. Ellaborn considered and ruled out other causes—so-called co-
    morbid conditions—of petitioner’s symptoms, including psychosis, an earlier diagnosis of atten-
    tion deficit/hyperactivity disorder, depression, and transvestic fetishism.
    Transvestic fetishism ‘‘occurs in heterosexual (or bisexual) men for whom the cross-dressing
    behavior is for the purpose of sexual excitement. Aside from cross-dressing, most individuals
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           37
    DSM–IV–TR    at 581. Under the classification system of the
    DSM–IV–TR,   a severity modifier—mild, moderate, or severe—
    may be added to any diagnosis. 6 The term ‘‘transsexualism’’
    is currently used in the DSM–IV–TR to describe GID symptoms
    that are severe or profound. 7
    Both the DSM–IV–TR and its predecessor the DSM–IV con-
    tain the following ‘‘Cautionary Statement’’:
    The purpose of DSM–IV is to provide clear descriptions of diagnostic cat-
    egories in order to enable clinicians and investigators to diagnose, commu-
    nicate about, study, and treat people with various mental disorders. It is
    to be understood that inclusion here, for clinical and research purposes, of
    a diagnostic category * * * does not imply that the condition meets legal
    or other non-medical criteria for what constitutes mental disease, mental
    disorder, or mental disability. * * *
    III. Treatment of GID
    The World Professional Association for Transgender Health
    (WPATH), formerly known as the Harry Benjamin Inter-
    national Gender Dysphoria Association, Inc., is an associa-
    tion of medical, surgical, and mental health professionals
    specializing in the understanding and treatment of GID. 8
    WPATH publishes ‘‘Standards of Care’’ for the treatment of
    GID (hereinafter Benjamin standards of care or Benjamin
    standards). The Benjamin standards of care were originally
    with Transvestic Fetishism do not have a history of childhood cross-gender behaviors.’’ DSM–
    IV–TR at 580. Petitioner reported to Ms. Ellaborn that she cross-dressed in order to feel more
    feminine rather than for purposes of sexual arousal.
    6 A modifier of ‘‘severe’’ indicates that there are many more symptoms than those required
    to make the diagnosis, or several symptoms that are particularly severe are present, or the
    symptoms result in marked impairment in social and occupational functioning beyond the min-
    imum threshold required for diagnosis. See DSM–IV–TR at 2.
    7 The GID diagnosis was labeled ‘‘transsexualism’’ when it first appeared in the third edition
    of the DSM published in 1980 (DSM–III). The fourth edition of the DSM, published in 1994
    (DSM–IV), replaced the transsexualism diagnosis with GID and added the criterion for the diag-
    nosis that the patient exhibit clinically significant distress or impairment in important areas
    of functioning. The DSM–IV underwent a text revision in 2000, resulting in the DSM–IV–TR,
    but there are no material differences in the DSM’s treatment of GID as between the DSM–IV
    and DSM–IV–TR editions.
    Notwithstanding the replacement of the transsexualism diagnosis with GID, the terms
    ‘‘transsexualism’’ and ‘‘transsexual’’ are still used generally in psychiatry to refer to severe or
    profound GID— or a sufferer thereof.
    8 Harry Benjamin, M.D. (1885–1986), was an endocrinologist who in conjunction with mental
    health professionals in New York did pioneering work in the study of transsexualism. The par-
    ties have stipulated that the term ‘‘gender dysphoria’’ was coined by Dr. Norman Fisk (Dr. Fisk)
    in 1973 to describe patients presenting with dissatisfaction and unhappiness with their ana-
    tomic and genetic sex and their assigned gender. The parties have further stipulated that, ac-
    cording to a 1974 article by Dr. Fisk, transsexualism represents the most extreme form of gen-
    der dysphoria.
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    38                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    approved in 1979 and have undergone six revisions through
    February 2001.
    Summarized, the Benjamin standards of care prescribe a
    ‘‘triadic’’ treatment sequence for individuals diagnosed with
    GID consisting of (1) hormonal sex reassignment; i.e., the
    administration of cross-gender hormones to effect changes in
    physical appearance to more closely resemble the opposite
    sex; 9 (2) the ‘‘real-life’’ experience (wherein the individual
    undertakes a trial period of living full time in society as a
    member of the opposite sex); and (3) sex reassignment sur-
    gery, consisting of genital sex reassignment and/or nongen-
    ital sex reassignment, more fully described as follows:
    Genital surgical sex reassignment refers to surgery of the genitalia and/
    or breasts performed for the purpose of altering the morphology in order
    to approximate the physical appearance of the genetically other esx [sic]
    in persons diagnosed as gender dysphoric. * * * Non-genital surgical sex
    reassignment refers to any and all other surgical procedures of non-genital,
    or non-breast, sites (nose, throat, chin, cheeks, hips, etc.) conducted for the
    purpose of effecting a more masculine appearance in a genetic female or
    for the purpose of effecting a more feminine appearance in a genetic male
    in the absence of identifiable pathology which would warrant such surgery
    regardless of the patient’s genetic sex (facial injuries, hermaphroditism,
    etc.).
    Under the Benjamin standards, an individual must have
    the recommendation of a licensed psychotherapist to obtain
    hormonal or surgical sex reassignment. Hormonal sex
    reassignment requires the recommendation of one
    psychotherapist and surgical sex reassignment requires
    the recommendations of two. 10 The recommending
    psychotherapist should have diagnostic evidence for
    transsexualism for a period of at least 2 years, independent
    of the patient’s claims.
    The Benjamin standards state that hormonal sex reassign-
    ment should precede surgical sex reassignment because the
    patient’s degree of satisfaction with hormone therapy ‘‘may
    indicate or contraindicate later surgical sex reassignment.’’
    9 Both parties’ experts agree that administration of cross-gender hormones in genetic males
    with GID also has a psychological effect, producing a sense of well-being and a ‘‘calming effect’’.
    10 To be qualified to recommend hormonal or surgical sex reassignment, a psychotherapist
    must have (1) a master’s degree in clinical behavioral science, and at least one of the
    recommenders for surgical sex reassignment must have a doctoral degree in the field; (2) com-
    petence in psychotherapy as demonstrated by a State license to practice it; and (3) specialized
    competence in sex therapy and gender identity disorders as demonstrated by supervised clinical
    experience and continuing education.
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    (34)                       O’DONNABHAIN v. COMMISSIONER                                           39
    The Benjamin standards further state that ‘‘Genital sex
    reassignment shall be preceded by a period of at least 12
    months during which time the patient lives full-time in the
    social role of the genetically other sex.’’ The standards pro-
    vide that breast augmentation surgery may be performed as
    part of sex reassignment surgery for a male-to-female patient
    ‘‘if the physician prescribing hormones and the surgeon have
    documented that breast enlargement after undergoing hor-
    mone treatment for 18 months is not sufficient for comfort in
    the social gender role.’’
    IV. Ms. Ellaborn’s Treatment Plan for Petitioner
    After diagnosing severe GID in petitioner in early 1997, Ms.
    Ellaborn administered a course of treatment that followed
    the Benjamin standards of care. 11
    A. Petitioner’s Hormone Treatments
    In February 1997 Ms. Ellaborn referred petitioner to an
    endocrinologist for feminizing hormone therapy, and peti-
    tioner commenced taking hormones in September 1997. 12
    She remained on feminizing hormones continuously through
    the taxable year in issue (2001). 13
    After beginning hormone therapy petitioner told Ms.
    Ellaborn that she felt calmer and better emotionally and that
    she felt positive about her physical changes. Ms. Ellaborn
    viewed petitioner’s positive reactions to hormone therapy as
    validation of the GID diagnosis.
    Petitioner advised her former spouse and children of her
    GID diagnosis in 1997 and 1998, respectively. 14
    B. Petitioner’s ‘‘Real-Life’’ Experience
    In consultation with Ms. Ellaborn, petitioner decided to
    undertake the Benjamin standards’ ‘‘real-life’’ experience; i.e.,
    to present in public as female on a full-time basis in March
    11 Petitioner
    attended monthly individual therapy sessions throughout most of 1997.
    12 Petitioner
    was hesitant about starting hormones and changing her appearance too quickly.
    She was concerned about the impact on her children and coworkers. Petitioner’s 16-year-old son
    was living with her at the time, and petitioner wished to postpone significant changes in her
    appearance until after her son had graduated from high school and begun college.
    13 Petitioner also commenced electrolysis treatments to remove body hair in September 1997
    and continued them through 2005. The deductibility of the expenses related to electrolysis is
    not at issue.
    14 The children’s reactions were characterized by embarrassment, anger, denial, and with-
    drawal.
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    40                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    2000. Petitioner legally changed her name from Robert
    Donovan to Rhiannon G. O’Donnabhain and arranged to
    have the gender designation on her driver’s license changed,
    on the basis of her GID diagnosis. 15 She underwent surgery
    to feminize her facial features, 16 and with the cooperation of
    her employer commenced presenting as a female at work
    around April of that year. Petitioner informed Ms. Ellaborn
    that her transition at work went smoothly and that the ‘‘real-
    life’’ experience had been ‘‘incredibly easy’’. Ms. Ellaborn
    viewed petitioner’s positive response to her ‘‘real-life’’ experi-
    ence as further validation of the GID diagnosis.
    C. Petitioner’s Sex Reassignment Surgery
    Petitioner’s anxiety as a result of having male genitalia
    persisted, 17 however, and Ms. Ellaborn concluded that her
    prognosis without genital surgical sex reassignment (sex
    reassignment surgery) was poor, in that petitioner’s anxiety
    over the lack of congruence between her perceived gender
    and her anatomical sex would continue in the absence of sur-
    gery and would impair her ability to function normally in
    society. In November 2000 Ms. Ellaborn wrote a referral
    letter to Dr. Toby Meltzer (Dr. Meltzer), a board-certified
    plastic and reconstructive surgeon, with over 10 years’
    experience specializing in sex reassignment surgery, to
    secure a place for petitioner on his waiting list.
    After three additional therapy sessions with petitioner in
    mid-2001, Ms. Ellaborn concluded that petitioner had satis-
    fied or exceeded all of the Benjamin standards’ criteria for
    sex reassignment surgery, including time spent satisfactorily
    on feminizing hormones and in the ‘‘real-life’’ experience. In
    July 2001 Ms. Ellaborn wrote a second letter to Dr. Meltzer
    certifying petitioner’s GID diagnosis and satisfaction of the
    15 Petitioner also carried with her a letter from Ms. Ellaborn explaining the GID diagnosis,
    to be used in the event she was confronted by authorities for using a sex-segregated facility such
    as a restroom or a changing room.
    16 Ms. Ellaborn had observed that, notwithstanding 18 months of hormone therapy, petitioner
    had distinctly male facial features which interfered with her ‘‘passing’’ as female. Ms. Ellaborn
    referred petitioner to a plastic surgeon who in March 2000 performed procedures designed to
    feminize petitioner’s facial features, including a rhinoplasty (nose reshaping), a facelift, and a
    tracheal shave (reducing cartilage of the ‘‘Adam’s apple’’). Petitioner was dissatisfied with the
    initial results, and in December 2000 the surgeon performed further surgery to revise the effects
    of the earlier procedures. The surgeon also gave petitioner a Botox treatment at that time. The
    deductibility of the foregoing procedures is not at issue.
    17 In one instance, petitioner held a knife and had an urge to cut off her penis.
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    (34)                        O’DONNABHAIN v. COMMISSIONER                                          41
    Benjamin standards’ criteria for sex reassignment surgery,
    and formally recommending petitioner for the sur-
    gery. Another licensed psychotherapist with a doctoral degree
    in clinical psychology, Dr. Alex Coleman (Dr. Coleman),
    examined petitioner and provided a second recommendation
    for her sex reassignment surgery, as required by the Ben-
    jamin standards. Dr. Coleman’s letter to Dr. Meltzer
    observed that petitioner ‘‘appears to have significant breast
    development secondary to hormone therapy’’.
    Petitioner, anticipating the formal recommendations for
    her surgery, went for a consultation and examination by Dr.
    Meltzer in June 2001 at his offices in Portland, Oregon.
    Dr. Meltzer concluded that petitioner was a good candidate
    for sex reassignment surgery. Dr. Meltzer’s notes of his phys-
    ical examination of petitioner state: ‘‘Examination of her
    breasts reveal [sic] approximately B cup breasts with a very
    nice shape.’’
    In mid-October 2001 petitioner returned to Portland, and
    she underwent sex reassignment surgery on October 19,
    2001. The procedures that Dr. Meltzer carried out included
    surgical removal of the penis and testicles and creation of a
    vaginal space using genital skin and tissue. The procedures
    were designed to surgically reconfigure petitioner’s male
    genitalia to create female genitalia both in appearance and
    in function, by reconstructing the penile glans into a neo-clit-
    oris, making sexual arousal and intercourse possible.
    Dr. Meltzer also performed breast augmentation surgery
    designed to make petitioner’s breasts, which had experienced
    some development as a result of feminizing hormones, more
    closely resemble the breasts of a genetic female.
    In May 2002 Dr. Meltzer performed followup surgery on
    petitioner to refine the appearance of her genitals and
    remove scar tissue. In February 2005 Dr. Meltzer performed
    further surgery on petitioner’s face, designed to feminize her
    facial features. 18
    V. Petitioner’s Claim for a Medical Expense Deduction
    During 2001 petitioner incurred and paid the following
    expenses (totaling $21,741) in connection with her hormone
    therapy, sex reassignment surgery, and breast augmentation
    18 The   deductibility of these procedures undertaken in 2002 and 2005 is not at issue.
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    42                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    surgery: (1) $19,195 to Dr. Meltzer for surgical procedures,
    including $14,495 for vaginoplasty and other procedures,
    $4,500 for breast augmentation, and $200 towards a portion
    of petitioner’s postsurgical stay at Dr. Meltzer’s facility; (2)
    $60 for medical equipment; (3) $1,544 in travel and lodging
    costs away from home for presurgical consultation and sur-
    gery; (4) $300 to Ms. Ellaborn for therapy; (5) $260 for the
    consultation for a second referral letter for surgery; and (6)
    $382 for hormone therapy. These payments were not com-
    pensated for by insurance or otherwise.
    On her Federal income tax return for 2001, petitioner
    claimed an itemized deduction for the foregoing expenditures
    as medical expenses, which respondent subsequently dis-
    allowed in a notice of deficiency.
    VI. Expert Testimony
    A. Petitioner’s Expert: Dr. Brown
    Petitioner’s expert, Dr. George R. Brown (Dr. Brown), is a
    licensed physician, board certified in adult psychiatry by the
    American Board of Psychiatry and Neurology. Dr. Brown has
    been a member of the American Psychiatric Association since
    1983 and was elected a Distinguished Fellow of that
    organization in 2003. At the time of trial Dr. Brown was a
    professor and associate chairman of the Department of
    Psychiatry at East Tennessee State University and chief of
    psychiatry at James H. Quillen Veterans Affairs Medical
    Center in Johnson City, Tennessee.
    Dr. Brown has been an active member of WPATH since
    1987, including serving on its board of directors, and he
    participated in the development of the Benjamin standards of
    care. He has seen approximately 500 GID patients either in
    a clinical setting or as an academic researcher. Dr. Brown
    has published numerous papers in peer-reviewed medical
    journals and written several book chapters on topics related
    to GID, including those in the Merck Manuals, one of the
    most widely used medical reference texts in the world.
    Citing its recognition in the DSM–IV–TR, standard medical
    reference texts, and World Health Organization publications,
    Dr. Brown contends that there is general agreement in main-
    stream psychiatry that GID is a legitimate mental disorder.
    Dr. Brown indicates that there are no biological or laboratory
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           43
    tests that may be used to diagnose GID but notes the same
    is true of virtually all of the mental disorders listed in the
    DSM–IV–TR.
    In Dr. Brown’s view, proper medical treatment of a person
    diagnosed with GID includes extended psychotherapy and one
    or more of the triadic therapies in the Benjamin standards.
    Dr. Brown is not aware of any case in which psychotherapy
    alone was effective in treating severe GID. For individuals
    with severe GID, Dr. Brown believes completion of the entire
    triadic sequence, i.e., through sex reassignment surgery, is
    usually medically necessary to ‘‘cure or mitigate the distress
    and maladaption caused by GID.’’
    In Dr. Brown’s opinion, it is also important to the mental
    health of a male with severe GID to be able to ‘‘pass’’ convinc-
    ingly in public as female—that is, to be perceived as female
    by members of the public. Failure to pass exacerbates the
    anxieties associated with GID. Passing includes the use of
    sex-segregated facilities such as restrooms and locker rooms,
    where a failure to pass can result in public humiliation,
    assault, or arrest. Genetic males with GID sometimes have
    distinctly male facial features that make it difficult to pass,
    absent surgery to feminize facial features.
    According to Dr. Brown, autocastration, autopenectomy,
    and suicide have been reported in patients who did not
    receive appropriate treatment for their GID. Dr. Brown
    rejects the idea that sex reassignment surgery is comparable
    to cosmetic surgery or is undertaken to improve one’s appear-
    ance, in view of the social stigma (including rejection by
    family and employment discrimination) and the pain and
    complications typically associated with such surgery. More-
    over, Dr. Brown observes, normal genetic males generally do
    not desire to have their penis and testicles removed. Such a
    desire is regarded in the psychiatric literature as a likely
    manifestation of psychosis (usually schizophrenia) or GID, fol-
    lowed by a range of other less likely explanations. In Dr.
    Brown’s opinion, people undergo sex reassignment surgery
    because of the severity of their GID symptoms and the lack
    of any other known effective treatment.
    In Dr. Brown’s view, the scientific literature demonstrates
    positive therapeutic outcomes from sex reassignment sur-
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    44                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    gery. He cites widely used psychiatric reference texts that
    reach the same conclusion. 19
    On the basis of a review of petitioner’s medical records and
    a telephone interview with petitioner, Dr. Brown opined that
    petitioner was properly diagnosed with GID and petitioner’s
    treatments, including sex reassignment surgery, were appro-
    priate and medically necessary.
    B. Respondent’s Expert: Dr. Schmidt
    Respondent’s expert, Dr. Chester W. Schmidt, Jr. (Dr.
    Schmidt), is a licensed physician, board certified in psychi-
    atry by the American Board of Psychiatry and Neurology,
    and a member of the American Psychiatric Association. At
    the time of trial Dr. Schmidt was a professor of psychiatry
    at the Johns Hopkins University School of Medicine, the
    chief medical director, Johns Hopkins Health Care, and chair
    of the medical board, Johns Hopkins Bayview Medical
    Center.
    Dr. Schmidt cofounded the Sexual Behavior Consultation
    Unit of the Johns Hopkins Hospital, a clinical, teaching, and
    research program devoted to the evaluation and treatment of
    sexual disorders, in 1971. Since that time he has been active
    in the clinical and teaching aspects of transsexualism, having
    participated in the evaluation of approximately 12 patients
    per year diagnosed with GID. However, he has not directly
    treated or managed a patient with GID since the mid-1980s,
    and his current clinical activity consists of evaluating new
    cases of GID. Dr. Schmidt’s expert report states that he has
    ‘‘participated in the publication’’ of several peer-reviewed
    medical journal articles about GID, but none has been identi-
    fied for which he was a listed author, and he has never writ-
    ten a chapter on the subject in a medical reference text.
    In his expert report, Dr. Schmidt asserts that the validity
    of the GID diagnosis remains the subject of debate within the
    psychiatric profession and that he currently is undecided
    about its validity. 20 However, 10 months before submitting
    19 See Green, ‘‘Gender Identity Disorder in Adults’’, in New Oxford Textbook of Psychiatry 915
    (Gelder, et al., eds., Oxford Univ. Press 2000); Green & Blanchard, ‘‘Gender Identity Disorders’’,
    in Kaplan & Sadock’s Comprehensive Textbook of Psychiatry 1660 (Sadock & Sadock, eds., 7th
    ed., Lippincott Williams & Wilkins 2000); Levine, ‘‘Sexual Disorders’’, in Psychiatry 1492
    (Tasman, et al., eds., 2d ed., John Wiley & Sons 2005).
    20 Dr. Schmidt’s report states that he is uncertain that GID is a mental disorder in the light
    of the heterogeneity of GID patients (in terms of presentation, personality, and motivation) and
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           45
    his expert report, Dr. Schmidt provided a diagnosis of GID as
    an expert in a U.S. District Court proceeding and continued
    to make the diagnosis regularly through the time of trial, as
    do other practitioners at the Johns Hopkins sexual disorders
    clinic he cofounded. Further, Dr. Schmidt states that the GID
    diagnosis is taught to psychiatrists in training at his and
    other medical schools and is a condition with which they
    must be familiar.
    Dr. Schmidt agreed that GID requires treatment. He has
    observed that ‘‘you can’t walk around day after day being
    ambiguous about your gender identity. It will tear you apart
    psychologically’’. Dr. Schmidt likewise agreed that untreated
    GID in males can sometimes lead to autopenectomy,
    autocastration, and suicide.
    Dr. Schmidt believes that the Benjamin standards of care
    are merely guidelines rather than true standards of care, in
    that they do not meet the legal threshold of a ‘‘community’’
    standard, the departure from which would constitute mal-
    practice. Dr. Schmidt further believes that the Benjamin
    standards enjoy only limited acceptance in American medi-
    cine generally. He is unaware, however, of any significant
    disagreement with the Benjamin standards within the psy-
    chiatric profession, other than a minority that considers sex
    reassignment surgery unethical. Dr. Schmidt agrees with the
    Benjamin standards’ treatment protocols, with the exception
    that he believes psychotherapy should be mandatory rather
    than merely recommended for candidates for sex reassign-
    ment. All GID patients at the sexual disorders clinic where
    Dr. Schmidt practices are advised to become familiar with
    the Benjamin standards of care.
    Dr. Schmidt believes that cross-gender hormone therapy
    and sex reassignment surgery have recognized medical and
    psychiatric benefits for persons suffering from GID, including
    reinforcement of an internal sense of consistency and balance
    in their gender identity. Dr. Schmidt has also expressed the
    view that once a genetic male with GID makes the decision
    to transition to a female identity, everything that reinforces
    the identity is helpful for psychological well-being. However,
    in his opinion a therapist should remain neutral regarding
    whether a patient should undergo hormone therapy or the
    the lack of a scientifically supported etiology of the condition.
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    46                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    surgery because, Dr. Schmidt believes, there is insufficient
    scientific evidence of the procedures’ efficacy in treating GID.
    A therapist should accordingly only take a position when
    there are contraindications to the procedures, in his opinion.
    Given his view that failure to adhere to the Benjamin
    standards of care would not constitute malpractice and that
    a therapist should remain neutral regarding the administra-
    tion of hormone therapy or sex reassignment surgery, Dr.
    Schmidt concludes that the procedures are elective and not
    medically necessary. He acknowledges, however, that the
    issue of the medical necessity of sex reassignment surgery is
    ‘‘contentious and variable within American medicine.’’
    Finally, while noting that there is some evidence that GID
    may have a neurological cause, Dr. Schmidt believes that
    there is no conclusive scientific proof that GID is the result
    of a genetic or congenital abnormality.
    C. Respondent’s Expert: Dr. Dietz
    Respondent’s expert, Dr. Park Dietz (Dr. Dietz), is a
    licensed physician and board certified in psychiatry by the
    American Board of Psychiatry and Neurology. Like Dr.
    Brown, he is a Distinguished Fellow of the American Psy-
    chiatric Association. At the time of trial Dr. Dietz was a clin-
    ical professor of psychiatry and behavioral sciences at the
    University of California at Los Angeles School of Medicine.
    Dr. Dietz’ specialty is forensic psychiatry, and he has written
    approximately 100 professional publications, mostly on
    sexual, criminal, and antisocial behavior from the standpoint
    of forensic psychiatry, in peer-reviewed journals, reference
    text chapters, and other media. Dr. Dietz was recognized as
    an expert in forensic psychiatry. He was retained by
    respondent for the purpose of addressing the question of
    whether GID or transsexualism is a disease or illness.
    It is Dr. Dietz’ opinion that GID is a mental disorder,
    susceptible of a correct or incorrect diagnosis, but not a dis-
    ease or an illness because it has not been shown to arise
    from a pathological process within the body—a necessary
    condition for a disease in Dr. Dietz’ view. 21 While acknowl-
    edging that commentators on the subject have advanced at
    21 Dr. Dietz believes that ‘‘illness’’ is simply ‘‘the recognized presence of disease, usually as
    a result of the host experiencing signs or symptoms, but sometimes as a result of an incidental
    finding by a clinician or the observations of a third party.’’
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           47
    least three possible ‘‘sufficient conditions’’ for the presence of
    disease (namely, discomfort, dysfunction, or pathology), Dr.
    Dietz considers pathology the appropriate sufficient condi-
    tion. Thus, in Dr. Dietz’ opinion, disease is defined as follows:
    To be a disease, a condition must arise as a result of a pathological
    process. It is not necessary that this process be fully known or understood,
    but it is necessary that the pathology occur within the individual and
    reflect abnormal structure or function of the body at the gross, microscopic,
    molecular, biochemical, or neuro-chemical levels. * * *
    Citing the cautionary statement in the DSM–IV–TR (to the
    effect that inclusion of a condition in a diagnostic category of
    the DSM does not imply that the condition meets legal criteria
    for mental disease), Dr. Dietz asserts that the designation of
    a condition as a mental disorder in the DSM–IV–TR does not
    indicate that the condition is a disease. To be a disease, a
    mental disorder must have a demonstrated organic or
    biological origin in the individual, in his view.
    Dr. Dietz testified that since qualification as a disease
    under his definition depends upon a demonstration of the
    condition’s organic origins, a condition may be a disease but
    not known as such, pending scientific discoveries concerning
    its etiology. For example, panic disorder and obsessive-
    compulsive disorder are now understood to have an organic
    basis, but their etiology was only discovered as a result of
    laboratory advances within the last decade or so. Thus, both
    conditions are diseases under Dr. Dietz’ definition, but would
    not have been recognized as such 20 years ago. Dr. Dietz con-
    firmed that bulimia 22 is psychologically unhealthy but not a
    disease under his formulation because it has no dem-
    onstrated organic etiology. Dr. Dietz was unable to say
    whether anorexia 23 is a disease under his definition because
    he was unfamiliar with the current state of scientific knowl-
    edge of anorexia’s etiology. In Dr. Dietz’ view, post-traumatic
    stress disorder is not a disease as he defines the term, but
    an injury.
    Dr. Dietz agrees that GID is sometimes associated with
    autopenectomy, autocastration, and suicide.
    22 As confirmed by Dr. Dietz, bulimia is a mental disorder characterized by binge eating fol-
    lowed by inappropriate compensatory behaviors to avoid weight gain, such as induced vomiting.
    23 As confirmed by Dr. Dietz, anorexia is a mental disorder in which an individual refuses to
    maintain a minimally normal body weight, is phobic regarding weight gain, and exhibits a dis-
    turbance in perception of the shape or size of his or her body.
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    48                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    OPINION
    I. Medical Expense Deductions Under Section 213
    A. In General
    Section 213(a) allows a deduction for expenses paid during
    the taxable year for medical care that are not compensated
    for by insurance or otherwise and to the extent that such
    expenses exceed 7.5 percent of adjusted gross income. 24 In
    addition, section 213(d)(1)(B) and (2) provides that certain
    amounts paid for transportation and lodging, respectively,
    may qualify as amounts paid for medical care under section
    213(a) if a taxpayer’s travel away from home is primarily for
    and essential to receiving medical care. 25
    B. Definition of Medical Care
    Congress first provided an income tax deduction for med-
    ical expenses in 1942. See Revenue Act of 1942, ch. 619, sec.
    127(a), 56 Stat. 825. The original provision was codified as
    section 23(x) of the 1939 Internal Revenue Code and read as
    follows:
    SEC. 23. DEDUCTIONS FROM GROSS INCOME.
    In computing net income there shall be allowed as deductions:
    *    *   *   *  *   *   *
    (x) MEDICAL, DENTAL, ETC., EXPENSES.—Except as limited under para-
    graph (1) or (2), expenses paid during the taxable year * * * for medical
    care of the taxpayer * * *. The term ‘‘medical care’’, as used in this sub-
    section, shall include amounts paid for the diagnosis, cure, mitigation,
    treatment, or prevention of disease, or for the purpose of affecting any
    structure or function of the body * * *.
    At the time, the Senate Committee on Finance commented
    on the new deduction for medical expenses in relevant part
    as follows:
    24 Sec. 213(b) provides that amounts paid for a prescribed drug are treated as amounts paid
    for medical care. The parties have stipulated that the feminizing hormones petitioner purchased
    in 2001 were a prescribed drug within the meaning of sec. 213(b) and (d)(3), but respondent
    does not stipulate that the hormones were for the treatment of an illness or disease within the
    meaning of sec. 213.
    25 The parties have stipulated that if any part of petitioner’s sex reassignment surgery is de-
    termined by the Court to be deductible under sec. 213, then petitioner’s travel and lodging costs
    incurred in connection with her consultation and surgery by Dr. Meltzer are also deductible.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           49
    The term ‘‘medical care’’ is broadly defined to include amounts paid for
    the diagnosis, cure, mitigation, treatment, or prevention of disease, or for
    the purpose of affecting any structure or function of the body. It is not
    intended, however, that a deduction should be allowed for any expense
    that is not incurred primarily for the prevention or alleviation of a physical
    or mental defect or illness.
    S. Rept. 1631, 77th Cong., 2d sess. 95–96 (1942), 1942–2 C.B.
    504, 576–577 (emphasis added); see Stringham v. Commis-
    sioner, 
    12 T.C. 580
    , 583–584 (1949) (medical care is defined
    in broad and comprehensive language, but it does not include
    items which are primarily nondeductible personal living
    expenses), affd. 
    183 F.2d 579
    (6th Cir. 1950).
    The core definition of ‘‘medical care’’ originally set forth in
    section 23(x) of the 1939 Code has endured over time and is
    currently found in section 213(d)(1)(A), which provides as fol-
    lows:
    SEC. 213 (d). DEFINITIONS.—For purposes of this section—
    (1) The term ‘‘medical care’’ means amounts paid—
    (A) for the diagnosis, cure, mitigation, treatment, or prevention of
    disease, or for the purpose of affecting any structure or function of the
    body * * *
    Thus, since the inception of the medical expense deduction,
    the definition of deductible ‘‘medical care’’ has had two
    prongs. The first prong covers amounts paid for the ‘‘diag-
    nosis, cure, mitigation, treatment, or prevention of disease’’
    and the second prong covers amounts paid ‘‘for the purpose
    of affecting any structure or function of the body’’.
    The regulations interpreting the statutory definition of
    medical care echo the description of medical care in the
    Senate Finance Committee report accompanying the original
    enactment. The regulations state in relevant part:
    (e) Definitions—(1) General. (i) The term ‘‘medical care’’ includes the
    diagnosis, cure, mitigation, treatment, or prevention of disease. Expenses
    paid for ‘‘medical care’’ shall include those paid for the purpose of affecting
    any structure or function of the body or for transportation primarily for
    and essential to medical care. * * *
    (ii) * * * Deductions for expenditures for medical care allowable under
    section 213 will be confined strictly to expenses incurred primarily for the
    prevention or alleviation of a physical or mental defect or illness. * * *
    [Sec. 1.213–1(e)(1), Income Tax Regs.; emphasis added.]
    Notably, the regulations, mirroring the language of the
    Finance Committee report, treat ‘‘disease’’ as used in the
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    50                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    statute as synonymous with ‘‘a physical or mental defect or
    illness.’’ The language equating ‘‘mental defect’’ with ‘‘dis-
    ease’’ was in the first version of the regulations promulgated
    in 1943 and has stood unchanged since. See T.D. 5234, 
    1943 C.B. 119
    , 130. In addition, to qualify as ‘‘medical care’’ under
    the regulations, an expense must be incurred ‘‘primarily’’ for
    alleviation of a physical or mental defect, and the defect
    must be specific. ‘‘[A]n expenditure which is merely beneficial
    to the general health of an individual, such as an expendi-
    ture for a vacation, is not an expenditure for medical care.’’
    Sec. 1.213–1(e)(1)(ii), Income Tax Regs.
    Given the reference to ‘‘mental defect’’ in the legislative
    history and the regulations, it has also long been settled that
    ‘‘disease’’ as used in section 213 can extend to mental dis-
    orders. See, e.g., Fischer v. Commissioner, 
    50 T.C. 164
    , 173
    n.4 (1968) (‘‘That mental disorders can be ‘disease’ within the
    meaning of [section 213(d)(1)(A)] is no longer open to ques-
    tion.’’); Starrett v. Commissioner, 
    41 T.C. 877
    (1964);
    Hendrick v. Commissioner, 
    35 T.C. 1223
    (1961).
    In Jacobs v. Commissioner, 
    62 T.C. 813
    (1974), this Court
    reviewed the legislative history of section 213 and syn-
    thesized the caselaw to arrive at a framework for analysis of
    disputes concerning medical expense deductions. Noting that
    the medical expense deduction essentially carves a limited
    exception out of the general rule of section 262 that ‘‘per-
    sonal, living, or family expenses’’ are not deductible, the
    Court observed that a taxpayer seeking a deduction under
    section 213 must show: (1) ‘‘the present existence or
    imminent probability of a disease, defect or illness—mental
    or physical’’ and (2) a payment ‘‘for goods or services directly
    or proximately related to the diagnosis, cure, mitigation,
    treatment, or prevention of the disease or illness.’’
    Id. at 818.
                                          Moreover, where the expenditures are arguably not ‘‘wholly
    medical in nature’’ and may serve a personal as well as med-
    ical purpose, they must also pass a ‘‘but for’’ test: the tax-
    payer must ‘‘prove both that the expenditures were an essen-
    tial element of the treatment and that they would not have
    otherwise been incurred for nonmedical reasons.’’
    Id. at 819. 26 26
    Applying the foregoing principles, the Court in Jacobs v. Commissioner, 
    62 T.C. 813
    (1974),
    concluded that the expenses of the taxpayer’s divorce, even though the divorce was rec-
    ommended by the taxpayer’s psychiatrist and was beneficial to the taxpayer’s mental health,
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                               51
    C. Definition of Cosmetic Surgery
    The second prong of the statutory definition of ‘‘medical
    care’’, concerning amounts paid ‘‘for the purpose of affecting
    any structure or function of the body’’, was eventually
    adjudged too liberal by Congress. The Internal Revenue
    Service, relying on the second prong, had determined in two
    revenue rulings that deductions were allowed for amounts
    expended for cosmetic procedures (such as facelifts, hair
    transplants, and hair removal through electrolysis) because
    the procedures were found to affect a structure or function of
    the body within the meaning of section 213(d)(1)(A). See Rev.
    Rul. 82–111, 1982–1 C.B. 48 (hair transplants and hair
    removal); Rev. Rul. 76–332, 1976–2 C.B. 81 (facelifts); see
    also Mattes v. Commissioner, 
    77 T.C. 650
    (1981) (hair trans-
    plants to treat premature baldness deductible under section
    213).
    In 1990 Congress responded to these rulings by amending
    section 213 to include new subsection (d)(9) which, generally
    speaking, excludes cosmetic surgery from the definition of
    deductible medical care. See Omnibus Budget Reconciliation
    Act of 1990, Pub. L. 101–508, sec. 11342(a), 104 Stat. 1388–
    471. A review of the legislative history of section 213(d)(9)
    shows that Congress deemed the amendment necessary to
    clarify that deductions for medical care do not include
    amounts paid for ‘‘an elective, purely cosmetic treatment’’. H.
    Conf. Rept. 101–964, at 1031 (1990), 1991–2 C.B. 560, 562;
    see also 136 Cong. Rec. 30485, 30570 (1990) (Senate Finance
    Committee report language on Omnibus Budget Reconcili-
    ation Act of 1990). 27
    were not deductible medical expenses because the divorce would have been undertaken even ab-
    sent the taxpayer’s depression.
    27 The bill as initially passed in the House of Representatives did not include a provision ad-
    dressing cosmetic surgery; this provision originated in the Senate. The report of the Senate Fi-
    nance Committee, which was informally printed in the Congressional Record, contrasted ‘‘cos-
    metic’’ procedures with ‘‘medically necessary procedures’’ as follows:
    For purposes of the medical expense deduction, the IRS generally does not distinguish between
    procedures which are medically necessary and those which are purely cosmetic.
    *         *          *          *           *         *        *
    * * * Expenses for purely cosmetic procedures that are not medically necessary are, in essence,
    voluntary personal expenses, which like other personal expenditures (e.g., food and clothing)
    generally should not be deductible in computing taxable income.
    *         *          *          *           *         *        *
    Continued
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    52                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    Section 213(d)(9) defines ‘‘cosmetic surgery’’ as follows:
    SEC. 213(d). DEFINITIONS.—For purposes of this section—
    *   *     *  *    *   *   *
    (9) COSMETIC SURGERY.—
    (A) IN GENERAL.—The term ‘‘medical care’’ does not include cosmetic
    surgery or other similar procedures, unless the surgery or procedure
    is necessary to ameliorate a deformity arising from, or directly related
    to, a congenital abnormality, a personal injury resulting from an
    accident or trauma, or disfiguring disease.
    (B) COSMETIC SURGERY DEFINED.—For purposes of this paragraph,
    the term ‘‘cosmetic surgery’’ means any procedure which is directed at
    improving the patient’s appearance and does not meaningfully pro-
    mote the proper function of the body or prevent or treat illness or dis-
    ease.
    In sum, section 213(d)(9)(A) provides the general rule that
    the term ‘‘medical care’’ does not include ‘‘cosmetic surgery’’
    (as defined) unless the surgery is necessary to ameliorate
    deformities of various origins. Section 213(d)(9)(B) then
    defines ‘‘cosmetic surgery’’ as any procedure that is directed
    at improving the patient’s appearance but excludes from the
    definition any procedure that ‘‘meaningfully [promotes] the
    proper function of the body’’ or ‘‘[prevents] or [treats] illness
    or disease’’. There appear to be no cases of precedential value
    interpreting the cosmetic surgery exclusion of section
    213(d)(9). 28
    II. The Parties’ Positions
    Respondent contends that petitioner’s hormone therapy,
    sex reassignment surgery, and breast augmentation surgery
    are nondeductible ‘‘cosmetic surgery or other similar proce-
    dures’’ 29 under section 213(d)(9) because they were directed
    at improving petitioner’s appearance and did not treat an ill-
    ness or disease, meaningfully promote the proper function of
    the body, or ameliorate a deformity. Although respondent
    * * * [U]nder the provision, procedures such as hair removal electrolysis, hair transplants,
    lyposuction [sic], and facelift operations generally are not deductible. In contrast, expenses for
    procedures that are medically necessary to promote the proper function of the body and only
    incidentally affect the patient’s appearance or expenses for the treatment of a disfiguring condi-
    tion arising from a congenital abnormality, personal injury or trauma, or disease (such as recon-
    structive surgery following removal of a malignancy) continue to be deductible * * *.
    28 Al-Murshidi v. Commissioner, T.C. Summary Opinion 2001–185, construed sec. 213(d)(9)
    but was decided under sec. 7463 and may not be treated as precedent. See sec. 7463(b).
    29 Respondent contends that petitioner’s hormone therapy was a ‘‘similar procedure’’ within
    the meaning of sec. 213(d)(9)(A).
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           53
    concedes that GID is a mental disorder, respondent contends,
    relying on the expert testimony of Dr. Dietz, that GID is not
    a disease for purposes of section 213 because it does not arise
    from an organic pathology within the human body that
    reflects ‘‘abnormal structure or function of the body at the
    gross, microscopic, molecular, biochemical, or neurochemical
    levels.’’ Respondent further contends that the procedures at
    issue did not treat disease because there is no scientific proof
    of their efficacy in treating GID and that the procedures were
    cosmetic surgery because they were not medically necessary.
    Finally, respondent contends that petitioner did not have
    GID, that it was incorrectly diagnosed, and that therefore the
    procedures at issue did not treat a disease.
    Petitioner maintains that she is entitled to deduct the cost
    of the procedures at issue on the grounds that GID is a well-
    recognized mental disorder in the psychiatric field that ‘‘falls
    squarely within the meaning of ‘disease’ because it causes
    serious, clinically significant distress and impairment of
    functioning.’’ Since widely accepted standards of care pre-
    scribe hormone treatment, sex reassignment surgery, and, in
    appropriate circumstances, breast augmentation surgery for
    genetic males suffering from GID, expenditures for the fore-
    going constitute deductible ‘‘medical care’’ because a direct or
    proximate relationship exists between the expenditures and
    the ‘‘diagnosis, cure, mitigation, treatment, or prevention of
    disease’’, petitioner argues. Morever, petitioner contends,
    because the procedures at issue treated a ‘‘disease’’ as used
    in section 213, they are not ‘‘cosmetic surgery’’ as defined in
    that section. 30
    III. Analysis
    The availability of the medical expense deduction for the
    costs of hormonal and surgical sex reassignment for a
    transsexual individual presents an issue of first impression.
    30 Petitioner also argues that the expenditures for the procedures at issue are deductible be-
    cause they affected a structure or function of the body (within the meaning of sec. 213(d)(1)(A))
    and were not ‘‘cosmetic surgery’’ under sec. 213(d)(9) because they were not ‘‘directed at improv-
    ing the patient’s appearance’’ and because they ‘‘meaningfully [promoted] the proper function
    of the body’’ (within the meaning of sec. 213(d)(9)(B)). Given our conclusion, discussed herein-
    after, that the expenditures for petitioner’s hormone therapy and sex reassignment surgery are
    deductible because they ‘‘[treated] * * * disease’’ within the meaning of sec. 213(d)(1)(A) and
    (9)(B), we need not resolve the foregoing issues with respect to those expenditures. We consider
    petitioner’s arguments with respect to the breast augmentation surgery more fully infra.
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    54                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    A. Statutory Definitions
    Determining whether sex reassignment procedures are
    deductible ‘‘medical care’’ or nondeductible ‘‘cosmetic surgery’’
    starts with the meaning of ‘‘treatment’’ and ‘‘disease’’ as used
    in section 213. Both the statutory definition of ‘‘medical care’’
    and the statute’s exclusion of ‘‘cosmetic surgery’’ from that
    definition depend in part upon whether an expenditure or
    procedure is for ‘‘treatment’’ of ‘‘disease’’. Under section
    213(d)(1)(A), if an expenditure is ‘‘for the * * * treatment
    * * * of disease’’, it is deductible ‘‘medical care’’; under sec-
    tion 213(d)(9)(B), if a procedure ‘‘[treats] * * * disease’’, it is
    not ‘‘cosmetic surgery’’ that is excluded from the definition of
    ‘‘medical care’’. 31
    Because the only difference between the quoted phrases in
    these two subparagraphs is the use of the noun form ‘‘treat-
    ment’’ versus the verb form ‘‘treat’’, we see no meaningful
    distinction between them. ‘‘Code provisions generally are to
    be interpreted so congressional use of the same words
    indicates an intent to have the same meaning apply’’. Elec.
    Arts, Inc. v. Commissioner, 
    118 T.C. 226
    , 241 (2002); see also
    Commissioner v. Keystone Consol. Indus., Inc., 
    508 U.S. 152
    ,
    159 (1993); United States v. Olympic Radio & Television,
    Inc., 
    349 U.S. 232
    , 236 (1955); Zuanich v. Commissioner, 
    77 T.C. 428
    , 442–443 (1981). Consequently, the determination of
    whether something is a ‘‘treatment’’ of a ‘‘disease’’ is the
    same throughout section 213, whether for purposes of
    showing that an expenditure is for ‘‘medical care’’ under sec-
    tion 213(d)(1)(A) or that a procedure is not ‘‘cosmetic surgery’’
    under section 213(d)(9)(B). A showing that a procedure con-
    stitutes ‘‘treatment’’ of a ‘‘disease’’ both precludes ‘‘cosmetic
    surgery’’ classification under section 213(d)(9) and qualifies
    the procedure as ‘‘medical care’’ under section 213(d)(1)(A). 32
    31 As noted, respondent contends that petitioner’s hormone therapy is a ‘‘similar procedure’’
    within the meaning of the sec. 213(d)(9)(A) exclusion from ‘‘medical care’’ of ‘‘cosmetic surgery
    or other similar procedures’’. Respondent does not contend, however, that the hormone therapy’s
    status as a ‘‘similar procedure’’ within the meaning of sec. 213(d)(9)(A) ipso facto causes the
    therapy to be excluded from ‘‘medical care’’. Instead, by arguing that the hormone therapy was
    directed at improving petitioner’s appearance and did not treat an illness or disease, respondent
    concedes that a ‘‘similar procedure’’ as used in sec. 213(d)(9)(A) is delimited by the definition
    of ‘‘cosmetic surgery’’ in sec. 213(d)(9)(B)—that is, that a ‘‘similar procedure’’ is excluded from
    the definition of ‘‘medical care’’ if it ‘‘is directed at improving the patient’s appearance and does
    not meaningfully promote the proper function of the body or prevent or treat illness or disease’’.
    32 The parties have stipulated that petitioner did not undertake hormone therapy or sex reas-
    signment surgery to ameliorate a deformity arising from, or directly related to, a personal injury
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           55
    Congress’ reuse of the terms ‘‘treat’’ and ‘‘disease’’ in
    defining ‘‘cosmetic surgery’’ in section 213(d)(9)(B) triggers a
    second principle of statutory construction. Given that the
    phrase ‘‘treatment * * * of disease’’ as used in the section
    213(d)(1)(A) definition of ‘‘medical care’’ had been the subject
    of considerable judicial and administrative construction when
    Congress incorporated the phrase into the definition of ‘‘cos-
    metic surgery’’ in 1990, it ‘‘had acquired a settled judicial and
    administrative interpretation’’. Commissioner v. Keystone
    Consol. Indus., Inc., supra at 159. In these circumstances ‘‘it
    is proper to accept the already settled meaning of the
    phrase’’.
    Id. Therefore, the pre-1990
    caselaw and regulations
    construing ‘‘treatment’’ and ‘‘disease’’ for purposes of the sec-
    tion 213(d)(1)(A) definition of ‘‘medical care’’ are applicable to
    the interpretation of those words as used in the section
    213(d)(9)(B) definition of ‘‘cosmetic surgery’’.
    B. Is GID a ‘‘Disease’’?
    Petitioner argues that she is entitled to deduct her
    expenditures for the procedures at issue because they were
    treatments for GID, a condition that she contends is a ‘‘dis-
    ease’’ for purposes of section 213. Respondent maintains that
    petitioner’s expenditures did not treat ‘‘disease’’ because GID
    is not a ‘‘disease’’ within the meaning of section 213. Central
    to his argument is respondent’s contention that ‘‘disease’’ as
    used in section 213 has the meaning postulated by respond-
    ent’s expert, Dr. Dietz; namely, ‘‘a condition * * * [arising]
    as a result of a pathological process * * * [occurring] within
    the individual and [reflecting] abnormal structure or function
    of the body at the gross, microscopic, molecular, biochemical,
    or neuro-chemical levels.’’
    On brief respondent cites the foregoing definition from Dr.
    Dietz’ expert report and urges it upon the Court as the
    meaning of ‘‘disease’’ as used in section 213; namely, that a
    ‘‘disease’’ for this purpose must have a demonstrated organic
    or physiological origin in the individual. Consequently, GID is
    arising from an accident or trauma, or a disfiguring disease. Petitioner has neither argued nor
    adduced evidence that the foregoing procedures ameliorated a deformity arising from, or directly
    related to, a congenital abnormality. See sec. 213(d)(9)(A). We consider petitioner’s arguments
    concerning the breast augmentation surgery more fully infra.
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    56                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    not a ‘‘disease’’ because it has ‘‘no known organic pathology’’,
    respondent argues. 33
    However, this use of expert testimony to establish the
    meaning of a statutory term is generally improper. ‘‘[E]xpert
    testimony proffered solely to establish the meaning of a law
    is presumptively improper.’’ United States v. Prigmore, 
    243 F.3d 1
    , 18 n.3 (1st Cir. 2001). The meaning of a statutory
    term is a pure question of law that is ‘‘exclusively the domain
    of the judge.’’ Nieves-Villanueva v. Soto-Rivera, 
    133 F.3d 92
    ,
    99 (1st Cir. 1997); see also United States v. Mikutowicz, 
    365 F.3d 65
    , 73 (1st Cir. 2004); Bammerlin v. Navistar Intl.
    Transp. Corp., 
    30 F.3d 898
    , 900 (7th Cir. 1994); Snap-Drape,
    Inc. v. Commissioner, 
    105 T.C. 16
    , 19–20 (1995), affd. 
    98 F.3d 194
    , 198 (5th Cir. 1996). Closely analogous is S. Jersey Sand
    Co. v. Commissioner, 
    30 T.C. 360
    , 364 (1958), affd. 
    267 F.2d 591
    (3d Cir. 1959), where this Court refused to consider the
    expert testimony of a geologist concerning the meaning of the
    term ‘‘quartzite’’ as used in the Internal Revenue Code.
    While the Court admitted Dr. Dietz’ expert report and
    allowed him to testify over petitioner’s objection, the use to
    which respondent now seeks to put his testimony is
    improper, and we disregard it for that purpose. 34 The
    meaning of ‘‘disease’’ as used in section 213 must be resolved
    by the Court, using settled principles of statutory construc-
    tion, including reference to the Commissioner’s interpretive
    regulations, the legislative history, and caselaw precedent. 35
    As a legal argument for the proper interpretation of ‘‘dis-
    ease’’, respondent’s position is meritless. Respondent cites no
    authority, other than Dr. Dietz’ expert testimony, in support
    of his interpretation, and we have found none. To the con-
    trary, respondent’s interpretation is flatly contradicted by
    nearly a half century of caselaw. Numerous cases have
    treated mental disorders as ‘‘diseases’’ for purposes of section
    213 without regard to any demonstrated organic or physio-
    logical origin or cause. See Fay v. Commissioner, 
    76 T.C. 408
                                             33 The experts all agree and the Court accepts, for purposes of deciding this case, that no or-
    ganic or biological cause of GID has been demonstrated.
    34 In contrast, the testimony of the other two experts presents specialized medical knowledge
    concerning the nature of GID. These facts bear upon whether GID should be considered to qual-
    ify as a ‘‘disease’’, as the Court interprets that term.
    35 Dr. Dietz’ testimony as a forensic psychiatrist is proper and useful regarding other matters,
    such as the state of knowledge concerning organic origins of mental conditions, and the Court
    relies on the testimony for certain other purposes, as discussed infra.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           57
    (1981); Jacobs v. Commissioner, 
    62 T.C. 818
    ; Fischer v.
    Commissioner, 
    50 T.C. 164
    (1968); Starrett v. Commissioner,
    
    41 T.C. 877
    (1964); Hendrick v. Commissioner, 
    35 T.C. 1223
                                          (1961); Sims v. Commissioner, T.C. Memo. 1979–499. These
    cases found mental conditions to be ‘‘diseases’’ where there
    was evidence that mental health professionals regarded the
    condition as creating a significant impairment to normal
    functioning and warranting treatment. This Court’s discus-
    sion in Fay v. Commis
    sioner, supra
    at 414–415, is represent-
    ative:
    While the record is not too clear with respect to the precise nature of the
    mental conditions of * * * [the taxpayer’s children], we are satisfied that
    they both suffered from some sort of learning disability, accompanied by
    emotional stress, which prevented, or at least interfered with, their ability
    to cope in a normal academic environment. While this condition may or
    may not have been psychiatric, it was certainly a mental handicap or
    defect which we think may be considered a mental disease or defect for
    purposes of section 213. It was the type of disorder that the petitioners,
    their expert educational consultants, a psychiatrist, and the staff of the
    DLD program[36] thought could be mitigated or alleviated, or possibly
    cured, by the special attention and individual programing given to the chil-
    dren at the DLD. While these mental disorders may not have been severe
    enough to require psychiatric or psychological treatment, they were severe
    enough to prevent the children from acquiring a normal education without
    some help, and we think any treatment, whether rendered by medical
    people or specially trained educators, directly related to the alleviation of
    such mental disorders so that the recipient may obtain a normal, or more
    normal, education, qualifies as medical care under the statute.
    In Fischer v. Commis
    sioner, supra
    at 173–174, there was a
    similar absence of any discussion of organic or physiological
    origins in this Court’s analysis of the ‘‘conventional meaning’’
    of ‘‘disease’’.
    The first question presented is whether petitioner’s son, Don, was suffering
    from a ‘‘disease’’ as that term is used in the statute and the applicable
    regulation. Given that term its conventional meaning, we think the evi-
    dence is clear * * * that Don was suffering from a disease when he
    entered Oxford Academy. As detailed in our findings, the report of the
    Institute of the Pennsylvania Hospital states that as of that date Don had
    ‘‘not evolved the usual ‘defense’ or integrating mechanisms necessary for
    dealing maturely, realistically and in an organized fashion, with the prob-
    lems of his environment. * * * ’’ * * * a psychiatrist who treated Don for
    36 The DLD program refers to the department of language development program, a special
    program at the taxpayer’s children’s school for children with learning disabilities. Fay v. Com-
    missioner, 
    76 T.C. 408
    , 410 (1981).
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    58                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    almost a year, described him as a child with ‘‘significant neurotic blocks
    against learning.’’ * * * [Fn. ref. omitted.]
    See also Jacobs v. Commis
    sioner, supra
    at 818 (taxpayer’s
    ‘‘severe depression’’ as evidenced by his psychiatrist’s testi-
    mony is ‘‘disease’’ for purposes of section 213); Hendrick v.
    Commis
    sioner, supra
    at 1236 (‘‘emotional insecurity’’ of child
    is a ‘‘disease’’ for purposes of section 213); Sims v. Commis-
    
    sioner, supra
    (‘‘disease’’ for purposes of section 213 found
    although ‘‘record does not contain a precise characterization
    of * * * [the taxpayer’s son’s] condition in medical termi-
    nology, there is ample evidence to support a finding that he
    suffered from some sort of learning disability, accompanied
    by emotional or psychiatric problems’’). We have also consid-
    ered a condition’s listing in a diagnostic reference text as
    grounds for treating the condition as a ‘‘disease’’, without
    inquiry into the condition’s etiology. In Starrett v. Commis-
    
    sioner, supra
    at 878 & n.1, 880–882, a reviewed Opinion, we
    treated ‘‘anxiety reaction’’ as a ‘‘disease’’ for purposes of sec-
    tion 213, pointing to the condition’s recognition in the Amer-
    ican Medical Association’s Standard Nomenclature of Dis-
    eases and Operations (5th ed. 1961).
    The absence of any consideration of etiology in the caselaw
    is consistent with the legislative history and the regulations.
    Both treat ‘‘disease’’ as synonymous with ‘‘a physical or
    mental defect’’, which suggests a more colloquial sense of the
    term ‘‘disease’’ was intended than the narrower (and more
    rigorous) interpretation for which respondent contends.
    In addition, in the context of mental disorders, it is vir-
    tually inconceivable that Congress could have intended to
    confine the coverage of section 213 to conditions with dem-
    onstrated organic origins when it enacted the provision in
    1942, because physiological origins for mental disorders were
    not widely recognized at the time. As Dr. Dietz confirmed in
    his testimony, the physiological origins of various well-recog-
    nized mental disorders—for example, panic disorder and
    obsessive-compulsive disorder—were discovered only about a
    decade ago. Moreover, Dr. Dietz confirmed that bulimia
    would not constitute a ‘‘disease’’ under his definition, because
    bulimia has no demonstrated organic origin, nor would post-
    traumatic stress disorder. Dr. Dietz was unable to say
    whether anorexia would meet the definition because he was
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           59
    uncertain regarding the current state of scientific knowledge
    of its origins. Petitioner’s expert, Dr. Brown, testified without
    challenge that most mental disorders listed in the DSM–IV–TR
    do not have demonstrated organic causes. Thus, under the
    definition of ‘‘disease’’ respondent advances, many well-recog-
    nized mental disorders, perhaps most, would be excluded
    from coverage under section 213—a result clearly at odds
    with the intent of Congress (and the regulations) to provide
    deductions for the expenses of alleviating ‘‘mental defects’’
    generally.
    In sum, we reject respondent’s interpretation of ‘‘disease’’
    because it is incompatible with the stated intent of the regu-
    lations and legislative history to cover ‘‘mental defects’’ gen-
    erally and is contradicted by a consistent line of cases finding
    ‘‘disease’’ in the case of mental disorders without regard to
    any demonstrated etiology.
    Having rejected respondent’s contention that ‘‘disease’’ as
    used in section 213 requires a demonstrated organic origin,
    we are left with the question whether the term should be
    interpreted to encompass GID. On this score, respondent,
    while conceding that GID is a mental disorder, argues that
    GID is ‘‘not a significant psychiatric disorder’’ but instead is
    a ‘‘social construction’’—a ‘‘social phenomenon’’ that has been
    ‘‘medicalized’’. Petitioner argues that GID is a ‘‘disease’’ for
    purposes of section 213 because it is well recognized in main-
    stream psychiatric literature, including the DSM–IV–TR, as a
    legitimate mental disorder that ‘‘causes serious, clinically
    significant distress and impairment of functioning’’.
    For the reasons already noted and those discussed below,
    we conclude that GID is a ‘‘disease’’ within the meaning of
    section 213. We start with the two caselaw factors influ-
    encing a finding of ‘‘disease’’ in the context of mental condi-
    tions: (1) A determination by a mental health professional
    that the condition created a significant impairment to normal
    functioning, warranting treatment, see Fay v. Commissioner,
    
    76 T.C. 408
    (1981); Jacobs v. Commissioner, 
    62 T.C. 813
                                          (1974); Fischer v. Commissioner, 
    50 T.C. 164
    (1968);
    Hendrick v. Commissioner, 
    35 T.C. 1223
    (1961), or (2) a
    listing of the condition in a medical reference text, see
    Starrett v. Commissioner, 
    41 T.C. 877
    (1964). Both factors
    involve deference by a court to the judgment of medical
    professionals.
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    60                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    As noted in our findings, GID is listed as a mental disorder
    in the DSM–IV–TR, which all three experts agree is the pri-
    mary diagnostic tool of American psychiatry. 37 See also
    Danaipour v. McLarey, 
    286 F.3d 1
    , 17 (1st Cir. 2002)
    (characterizing the DSM–IV as ‘‘the leading psychiatric diag-
    nostic manual’’). GID or transsexualism is also listed in
    numerous medical reference texts, with descriptions of their
    characteristics that are similar to those in the DSM–IV–TR. 38
    See Starrett v. Commis
    sioner, supra
    .
    Even if one accepts respondent’s expert Dr. Schmidt’s
    assertion that the validity of the GID diagnosis is subject to
    some debate in the psychiatric profession, the widespread
    recognition of the condition in medical literature persuades
    the Court that acceptance of the GID diagnosis is the pre-
    vailing view. Dr. Schmidt’s own professed misgivings about
    the diagnosis are not persuasive, given that he continues to
    employ the diagnosis in practice, believes that psychiatrists
    must be familiar with it, and recently gave a GID diagnosis
    as an expert in another court proceeding. 39 On balance, the
    37 We recognize that the DSM–IV–TR cautions that inclusion of a diagnostic category therein
    ‘‘does not imply that the condition meets legal or other non-medical criteria for what constitutes
    mental disease, mental disorder, or mental disability.’’ For purposes of our decision in this case,
    GID’s inclusion in the DSM–IV–TR (and its predecessors) evidences widespread recognition of
    the condition in the psychiatric profession. Indisputably, the issue of whether GID is a ‘‘disease’’
    for purposes of sec. 213 is for this Court to decide, and we do so on the basis of a range of fac-
    tors, including GID’s inclusion in the DSM–IV–TR.
    38 See, e.g., American Medical Association, Complete Medical Encyclopedia 595, 1234 (Random
    House 2003); The Dictionary of Medical Terms 157 (4th ed. 2004); Dorland’s Illustrated Medical
    Dictionary, http://www.mercksource.com/pp/us/cnslhlldorlands; ‘‘Gender Identity Disorder
    and Transsexualism’’, Merck Manuals Online Medical Library, http://www.merck.com./mmpe/
    print/sec15/ch203/ch203b.html; Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing,
    and Allied Health 728, 1808 (2003); National Institutes of Health, U.S. National Library of Med-
    icine,     MedlinePlus     Medical     Encyclopedia,     http://nlm.nih.gov/medlineplus/ency/article/
    001527.html; Sloane-Dorland Annotated Medical-Legal Dictionary 202–203, 233, 291, 310, 744
    (1987).
    Transsexualism is also listed and described in the International Classification of Diseases,
    Ninth Revision, Clinical Modification (6th ed.) a publication of the American Medical Association
    used in the United States for assigning codes to various diagnoses and procedures. Similarly,
    various gender identity disorders, including transsexualism, are listed and described in the
    International Classification of Diseases, Tenth Revision, a 1992 publication of the World Health
    Organization that classifies diseases and health related problems.
    Respondent stresses on brief that he stipulated that the foregoing publications were medical
    reference texts but did not stipulate the truth of their contents. Except where otherwise indi-
    cated, we consider medical reference texts solely for the fact that they recognize GID or
    transsexualism and treatments for the condition.
    39 Dr. Schmidt attributed his misgivings in part to the ‘‘lack of a scientifically supported eti-
    ology of the condition’’, but as petitioner’s expert Dr. Brown pointed out, the same could be said
    of most mental disorders listed in the DSM.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           61
    evidence amply demonstrates that GID is a widely recognized
    and accepted diagnosis in the field of psychiatry.
    Second, GID is a serious, psychologically debilitating condi-
    tion. Respondent’s characterization of the condition on brief
    as a ‘‘social construction’’ and ‘‘not a significant psychiatric
    disorder’’ is undermined by both of his own expert witnesses
    and the medical literature in evidence. All three expert wit-
    nesses agreed that, absent treatment, GID in genetic males is
    sometimes associated with autocastration, autopenectomy,
    and suicide. Respondent’s expert Dr. Schmidt asserts that
    remaining ambiguous about gender identity ‘‘will tear you
    apart psychologically’’. Petitioner’s expert Dr. Brown likewise
    testified that GID produces significant distress and
    maladaption. Psychiatric reference texts, established as reli-
    able authority by Dr. Brown’s testimony, confirm the fore-
    going. See Fed. R. Evid. 803(18). One such text states:
    Cross-gender identity (gender identity contradicted by anatomical sex
    characteristics) in adulthood virtually always causes distress to the indi-
    vidual. * * * Cross-gender identity at any age, therefore, is appropriately
    regarded as a disorder and a possible reason for clinical intervention.
    * * * [Green & Blanchard, ‘‘Gender Identity Disorders’’, in Kaplan &
    Sadock’s Comprehensive Textbook of Psychiatry 1646, 1659 (Sadock &
    Sadock, eds., 2000).]
    Another psychiatric reference text states that ‘‘Prior to rec-
    ognition of transsexualism as a disorder deserving medical
    and psychiatric attention many patients self-mutilated or
    committed suicide out of despair.’’ Green, ‘‘Gender Identity
    Disorder in Adults’’, in New Oxford Textbook of Psychiatry
    914 (Gelder, et al., eds., 2000).
    Ms. Ellaborn concluded that petitioner exhibited clinically
    significant impairment from GID, to the extent that she des-
    ignated petitioner’s condition as ‘‘severe’’ under the DSM–IV–
    TR standards. Her diagnosis was supported by another doc-
    toral-level mental health professional and by Dr. Brown. The
    severity of petitioner’s impairment, coupled with the near
    universal recognition of GID in diagnostic and other medical
    reference texts, bring petitioner’s condition in line with the
    circumstances where a mental condition has been deemed a
    ‘‘disease’’ in the caselaw under section 213.
    Third, respondent’s position that GID is not a significant
    psychiatric disorder is at odds with the position of every U.S.
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    62                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    Court of Appeals that has ruled on the question of whether
    GID poses a serious medical need for purposes of the Eighth
    Amendment, which has been interpreted to require that pris-
    oners receive adequate medical care. See Estelle v. Gamble,
    
    429 U.S. 97
    , 103 (1976). In Estelle v. 
    Gamble, supra
    at 104,
    the U.S. Supreme Court held that ‘‘deliberate indifference to
    serious medical needs of prisoners constitutes the ‘unneces-
    sary and wanton infliction of pain’ * * * proscribed by the
    Eighth Amendment.’’ The U.S. Courts of Appeals have
    accordingly interpreted Estelle v. 
    Gamble, supra
    , as estab-
    lishing a two-prong test for an Eighth Amendment violation:
    it must be shown that (1) the prisoner had a ‘‘serious medical
    need’’ which (2) was met with ‘‘deliberate indifference’’ by
    prison officials. See, e.g., Cuoco v. Moritsugu, 
    222 F.3d 99
    ,
    106 (2d Cir. 2000) (applying the Eighth Amendment test to
    a pretrial detainee); White v. Farrier, 
    849 F.2d 322
    , 325–327
    (8th Cir. 1988).
    Seven of the U.S. Courts of Appeals that have considered
    the question have concluded that severe GID or
    transsexualism constitutes a ‘‘serious medical need’’ for pur-
    poses of the Eighth Amendment. See De’lonta v. Angelone,
    
    330 F.3d 630
    , 634 (4th Cir. 2003); Allard v. Gomez, 9 Fed.
    Appx. 793, 794 (9th Cir. 2001); Cuoco v. Moritsugu, supra;
    Brown v. Zavaras, 
    63 F.3d 967
    , 970 (10th Cir. 1995); Phillips
    v. Mich. Dept. of Corr., 
    932 F.2d 969
    (6th Cir. 1991), affg. 
    731 F. Supp. 792
    (W.D. Mich. 1990); White v. Farrier, supra;
    Meriwether v. Faulkner, 
    821 F.2d 408
    , 411–413 (7th Cir.
    1987); see also Maggert v. Hanks, 
    131 F.3d 670
    , 671 (7th Cir.
    1997) (describing gender dysphoria as a ‘‘profound psychiatric
    disorder’’). 40 No U.S. Court of Appeals has held otherwise. 41
    Deliberate indifference ‘‘requires that a prison official actu-
    ally know of and disregard an objectively serious condition,
    medical need, or risk of harm.’’ De’lonta v. Angelone, supra
    at 634. Many of the foregoing opinions either found that
    ‘‘deliberate indifference’’ had not been shown or remanded to
    40 The U.S. Supreme Court has also treated transsexualism as a serious medical condition,
    relying on its listing in the DSM–III and the American Medical Association’s Encyclopedia of
    Medicine (1989). See Farmer v. Brennan, 
    511 U.S. 825
    , 829 (1994).
    41 Two Courts of Appeals have considered, but found it unnecessary to decide, whether GID
    or transsexualism constitutes a serious medical need for purposes of the Eighth Amendment.
    See Praylor v. Tex. Dept. of Criminal Justice, 
    430 F.3d 1208
    (5th Cir. 2005), withdrawing 
    423 F.3d 524
    (5th Cir. 2005) (holding that transsexualism constitutes a serious medical need for
    Eighth Amendment purposes); Farmer v. Moritsugu, 
    163 F.3d 610
    , 614–615 (D.C. Cir. 1998).
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           63
    the District Court for further proceedings regarding that
    point, but they reflect a clear consensus that GID constitutes
    a medical condition of sufficient seriousness that it triggers
    the Eighth Amendment requirement that prison officials not
    ignore or disregard it. 42
    In view of (1) GID’s widely recognized status in diagnostic
    and psychiatric reference texts as a legitimate diagnosis, (2)
    the seriousness of the condition as described in learned trea-
    tises in evidence and as acknowledged by all three experts in
    this case; (3) the severity of petitioner’s impairment as found
    by the mental health professionals who examined her; (4) the
    consensus in the U.S. Courts of Appeals that GID constitutes
    a serious medical need for purposes of the Eighth Amend-
    ment, we conclude and hold that GID is a ‘‘disease’’ for pur-
    poses of section 213.
    C. Did Petitioner Have GID?
    Respondent also contends that petitioner was not correctly
    diagnosed with GID, citing his expert Dr. Schmidt’s conten-
    tions that certain comorbid conditions such as depression or
    transvestic fetishism had not been adequately ruled out as
    explanations of petitioner’s condition.
    We find that petitioner’s GID diagnosis is substantially sup-
    ported by the record. Ms. Ellaborn was licensed under State
    law to make such a diagnosis. A second licensed professional
    concurred, as did petitioner’s expert, a recognized authority
    in the field. Ms. Ellaborn’s testimony concerning her diag-
    nosis was persuasive. She considered and ruled out comorbid
    conditions, including depression and transvestic fetishism,
    and she believed her initial diagnosis was confirmed by peti-
    tioner’s experience with the steps in the triadic therapy
    sequence. 43
    42 But see Maggert v. Hanks, 
    131 F.3d 670
    (7th Cir. 1997), where the Court of Appeals for
    the Seventh Circuit, after concluding that the plaintiff inmate had failed to establish that he
    had gender dysphoria, observed in dicta that since treatment for gender dysphoria is ‘‘protracted
    and expensive’’ and the Eighth Amendment does not require that a prisoner be given medical
    care ‘‘that is as good as he would receive if he were a free person’’, the Amendment ‘‘does not
    entitle a prison inmate to curative treatment for his gender dysphoria.’’
    Id. at 671–672. 43
    Petitioner’s response to the administration of cross-gender hormones is especially persuasive
    regarding the diagnosis. Ms. Ellaborn observed that petitioner’s reaction to the effects of the
    hormones was essentially positive; that is, the hormones engendered a sense of well-being and
    a calming effect in petitioner—a well-documented phenomenon in genetic males suffering from
    GID who receive feminizing hormones, confirmed by both respondent’s and petitioner’s experts.
    By contrast, as Dr. Brown observed, when feminizing hormones are administered to non-GID-
    Continued
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    64                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    Absent evidence of a patent lack of qualifications, see, e.g.,
    Flemming v. Commissioner, T.C. Memo. 1980–583 (rejecting
    diagnosis of cancer and kidney disease by dentist), this Court
    has generally deferred, in section 213 disputes, to the judg-
    ment of the medical professionals who treated the patient,
    see, e.g. Fay v. Commissioner, 
    76 T.C. 414
    ; Jacobs v.
    Commissioner, 
    62 T.C. 818
    ; Fischer v. Commissioner, 
    50 T.C. 173
    –174. All three witnesses who supported peti-
    tioner’s GID diagnosis interviewed petitioner. Since Dr.
    Schmidt did not, his analysis is entitled to considerably less
    weight, and we conclude that there is no persuasive basis to
    doubt the diagnosis.
    D. Whether Cross-Gender Hormones, Sex Reassignment
    Surgery, and Breast Augmentation Surgery ‘‘Treat’’
    GID
    1. Cross-Gender Hormones and Sex Reassignment Surgery
    Our conclusions that GID is a ‘‘disease’’ for purposes of sec-
    tion 213, and that petitioner suffered from it, leave the ques-
    tion of whether petitioner’s hormone therapy, sex reassign-
    ment surgery, and breast augmentation surgery ‘‘[treated]’’
    GID within the meaning of section 213(d)(1)(A) and (9)(B).
    In contrast to their dispute over the meaning of ‘‘disease’’,
    the parties have not disputed the meaning of ‘‘treatment’’ or
    ‘‘treat’’ as used in section 213(d)(1)(A) and (9)(B), respec-
    tively. We accordingly interpret the words in their ordi-
    nary, everyday sense. See Crane v. Commissioner, 
    331 U.S. 1
    , 6 (1947); Old Colony R.R. Co. v. Commissioner, 
    284 U.S. 552
    , 560 (1932) (‘‘ ‘The legislature must be presumed to use
    words in their known and ordinary signification’ ’’ (quoting
    Levy’s Lessee v. M’Cartee, 
    6 Pet. 102
    , 110 (1832))); see also
    Heard v. Commissioner, 
    269 F.2d 911
    , 912 (3d Cir. 1959)
    (‘‘The words of * * * [section 213] are to be given their
    normal meaning without striving to read exceptions into
    them.’’), revg. in part 
    30 T.C. 1093
    (1958).
    ‘‘Treat’’ is defined in standard dictionaries as: ‘‘to deal with
    (a disease, patient, etc.) in order to relieve or cure’’, Webster’s
    New Universal Unabridged Dictionary 2015 (2003); ‘‘to care
    for or deal with medically or surgically’’, Merriam Webster’s
    suffering males (for other medical reasons), and those males experience impotence, widening
    hips, and breast development, their response is not a sense of well-being but anxiety.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                               65
    Collegiate Dictionary 1333 (11th ed. 2008); ‘‘5 a: to care for
    (as a patient or part of the body) medically or surgically: deal
    with by medical or surgical means: give a medical treatment
    to * * * b: to seek cure or relief of * * * ’’, Webster’s Third
    New International Dictionary 2435 (2002).
    The regulations provide that medical care is confined to
    expenses ‘‘incurred primarily for the prevention or alleviation
    of a physical or mental defect or illness’’. Sec. 1.213–
    1(e)(1)(ii), Income Tax Regs. (emphasis added). A treatment
    should bear a ‘‘direct or proximate therapeutic relation to the
    * * * condition’’ sufficient ‘‘to justify a reasonable belief the
    * * * [treatment] would be efficacious’’. Havey v. Commis-
    sioner, 
    12 T.C. 409
    , 412 (1949). In Starrett v. Commissioner,
    
    41 T.C. 881
    , this Court concluded that the taxpayer’s
    psychoanalysis was a treatment of disease because the tax-
    payer was ‘‘thereby relieved of the physical and emotional
    suffering attendant upon’’ the condition known as anxiety
    reaction.
    Hormone therapy, sex reassignment surgery and, under
    certain conditions, breast augmentation surgery are pre-
    scribed therapeutic interventions, or treatments, for GID out-
    lined in the Benjamin standards of care. The Benjamin
    standards are widely accepted in the psychiatric profession,
    as evidenced by the recognition of the standards’ triadic
    therapy sequence as the appropriate treatment for GID and
    transsexualism in numerous psychiatric and medical ref-
    erence texts. 44 Indeed, every psychiatric reference text that
    has been established as authoritative in this case endorses
    sex reassignment surgery as a treatment for GID in appro-
    priate circumstances. 45 No psychiatric reference text has
    44 See ‘‘Gender Identity’’, Merck Manuals Second Home Edition, http://www.merck.com/mmhe/
    print/sec07/ch104/ch104b.html; ‘‘Gender Identity Disorder and Transsexualism’’, Merck Manuals
    Online Medical 
    Library, supra
    ; National Institutes of Health, U.S. National Library of Medicine,
    Medline Plus Medical 
    Encyclopedia, supra
    ; Senagore & Frey, ‘‘Orchiectomy’’, Gale Encyclopedia
    of Surgery (Thomson Gale 2003).
    45 The following psychiatric reference texts have been established as learned treatises, see
    Fed. R. Evid. 803(18), and endorse the essential elements of the triadic therapy sequence of the
    Benjamin standards, including sex reassignment surgery. American Psychiatric Association,
    Treatments of Psychiatric Disorders, ch. 70 (3d ed., American Psychiatric Press 2001):
    The [Benjamin] ‘‘Standards of Care’’ for treating gender-dysphoric individuals, developed by an
    international group of experts [citation omitted] and followed by most responsible professionals
    in the field, provides a valuable guide for evaluation and treatment.
    *         *          *          *           *         *        *
    Continued
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    66                 134 UNITED STATES TAX COURT REPORTS                                             (34)
    been brought to the Court’s attention that fails to list, or
    rejects, the triadic therapy sequence or sex reassignment sur-
    gery as the accepted treatment regimen for GID. 46 Several
    courts have accepted the Benjamin standards as representing
    Once a patient has met readiness criteria for referral as outlined in the [Benjamin] Standards
    of Care, she must decide on a surgical technique and surgeon. * * *
    Becker, et al., ch. 19, ‘‘Sexual and Gender Identity Disorders’’, in The American Psychiatric
    Press Textbook of Psychiatry (3d ed.):
    Sex reassignment is a long process that must be carefully monitored. * * * If the patient is con-
    sidered appropriate for sex reassignment, psychotherapy should be started to prepare the pa-
    tient for the cross-gender role. The patient should then go out into the world and live in the
    cross-gender role before surgical reassignment. * * * After 1–2 years, if these measures have
    been successful and the patient still wishes reassignment, hormone treatment is begun. * * *
    After 1–2 years of hormone therapy, the patient may be considered for surgical reassignment
    if such a procedure is still desired.
    Green, in New Oxford Textbook of Psychiatry, supra at 914–915:
    * * * The [Benjamin standards of care] programme includes, in addition to ongoing psychiatric
    or psychological monitoring, possibly endocrine therapy and, depending on the outcome of the
    graduated trial period of cross-gender living, possibly sex reassignment surgical procedures. The
    philosophy of treatment is to do reversible procedures before those that are irreversible.
    * * * If patients can demonstrate to themselves and mental health experts that they have suc-
    cessfully negotiated the ‘Real Life Test’ and are adjusting better socially in this new gender role,
    they can be referred for surgery.
    Sadock & Sadock, Kaplan & Sadock’s Comprehensive Textbook of Psychiatry 1659–1660 (7th
    ed., Lippincott Williams & Wilkins 2000):
    * * * When the patient’s gender dysphoria is severe and intractable, sex reassignment may be
    the best solution. The first medical intervention in this process is hormone therapy. * * *
    * * * The second major stage in the medical treatment of transsexualism is sex reassignment
    surgery. All major gender identity clinics in North America and western Europe require their
    patients to live full-time in the cross-gender role for some time—usually 1 to 2 years—prior to
    surgery.
    Tasman et al., Psychiatry 1491–1492 (2d ed., John Wiley & Sons 2003):
    The treatment of * * * [gender identity disorders], although not as well-based on scientific evi-
    dence as some psychiatric disorders, has been carefully scrutinized by multidisciplinary commit-
    tees of specialists with the Harry Benjamin International Gender Dysphoria Association
    [WPATH] for over 20 years. For more details in managing an individual patient, please consult
    its ‘‘Standards of Care’’ [citation omitted]. * * *
    *         *          *          *           *         *        *
    Living in the aspired-to-gender role—working, relating, conducting the activities of daily living—
    is a vital process that enables one of three decisions: to abandon the quest, to simply live in
    this new role, or to proceed with breast or genital surgery [citation omitted]. * * *
    Ideally, hormones should be administered by endocrinologists who have a working relationship
    with a mental health team dealing with gender problems. * * *
    *         *          *          *           *         *        *
    Surgical intervention is the final external step.
    46 Respondent offered into evidence a chapter from a psychiatric reference text that respond-
    ent claimed did not reference the Benjamin standards of care; namely, Becker, et 
    al., supra
    .
    However, a review of the chapter cited (particularly pp. 743–744) reveals that the Benjamin
    triadic sequence—cross-gender hormone therapy, living in the cross-gender role, and sex reas-
    signment surgery—is discussed (without naming the Benjamin standards or WPATH specifi-
    cally) and endorsed as the appropriate treatment protocol, as set out supra note 45.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           67
    the consensus of the medical profession regarding the appro-
    priate treatment for GID or transsexualism. See Gammett v.
    Idaho State Bd. of Corr., No. CV05–257–S–MHW (D. Idaho,
    July 27, 2007) (memorandum decision and order); Houston v.
    Trella, No. 2:04–CV–01393 (D.N.J., Sept. 25, 2006) (opinion);
    Kosilek v. Maloney, 
    221 F. Supp. 2d 156
    , 158 (D. Mass. 2002);
    Farmer v. Hawk-Sawyer, 
    69 F. Supp. 2d 120
    , 121 n.3 (D.D.C.
    1999).
    Nonetheless, respondent’s expert Dr. Schmidt contends in
    his report that ‘‘physician acceptance of the * * * [Benjamin
    standards] is limited’’ and that the standards are guidelines
    and are only ‘‘accepted as more than guidelines by profes-
    sionals who advocate for hormonal and surgical treatment of
    Gender Identity Disorder’’. However, Dr. Schmidt conceded
    on cross-examination his prior sworn statement to the effect
    that he agreed with the Benjamin standards (except that
    psychotherapy should be mandatory rather than rec-
    ommended) and was unaware of any significant disagreement
    with the Benjamin standards in the psychiatric field, other
    than those who believe that sex reassignment surgery is
    unethical, 47 a position that Dr. Schmidt characterized as a
    minority one. Dr. Schmidt also acknowledged that all GID
    patients at the sexual disorders clinic at Johns Hopkins
    where he practices are advised to become familiar with the
    Benjamin standards of care, and he concedes that cross-
    gender hormone therapy and sex reassignment surgery ‘‘have
    recognized medical and psychiatric benefits’’ for persons suf-
    fering from GID. 48 Dr. Schmidt also observed in his report
    that most physicians—indeed, most psychiatrists—know very
    little about GID or its treatment and shun GID patients, which
    may explain why the acceptance of the Benjamin standards
    is not broad based in American medicine. In any event, given
    his own acceptance of the standards and their use in his
    47 Dr. Schmidt cited an article by Dr. Paul McHugh as evidence of the view of sex reassign-
    ment surgery as unethical and not medically necessary. On cross-examination, Dr. Schmidt ac-
    knowledged that the McHugh article was not published in a peer-reviewed medical journal but
    instead in a religious publication. See McHugh, ‘‘Surgical Sex’’, First Things, The Institute on
    Religion and Public Life (November 2004), http://www.firstthings.com/index.php (online edition).
    Respondent likewise cites the McHugh article on brief as medical opinion, without disclosing the
    source of its publication.
    48 Dr. Schmidt also acknowledged previously stating that a surgically created vagina in a bio-
    logical male with GID ‘‘creates an internal sense of consistency that is very important in main-
    taining a balance on a day-to-day basis and not having to bounce back and forth between, you
    know, am I male or am I female.’’
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    68                    134 UNITED STATES TAX COURT REPORTS                                        (34)
    clinic, to the extent Dr. Schmidt is suggesting that the stand-
    ards have limited acceptance among professionals knowledge-
    able regarding GID, he is unpersuasive. The widespread rec-
    ognition of the Benjamin standards in the medical literature
    in evidence strongly supports the conclusion that the stand-
    ards enjoy substantial acceptance.
    Moreover, petitioner’s expert Dr. Brown contends that in
    the case of severe GID, sex reassignment surgery is the only
    known effective treatment; indeed, Dr. Brown was unaware
    of any case where psychotherapy alone had been effective in
    treating severe GID. The U.S. Court of Appeals for the Sev-
    enth Circuit and the highest courts of two States have
    reached similar conclusions. See Maggert v. 
    Hanks, 131 F.3d at 671
    ; Sommers v. Iowa Civil Rights Commn., 
    337 N.W.2d 470
    , 473 (Iowa 1983); Doe v. Minn. Dept. of Pub. Welfare, 
    257 N.W.2d 816
    , 819 (Minn. 1977). 49
    Respondent also argues that petitioner’s sex reassignment
    surgery did not ‘‘treat’’ disease within the meaning of section
    213(d)(9)(B) because there is insufficient scientific evidence of
    the surgery’s efficacy in treating GID. Petitioner’s and
    respondent’s experts disagree regarding the sufficiency of the
    scientific proof of the surgery’s efficacy. Respondent’s expert
    Dr. Schmidt contends that efficacy (beyond patient satisfac-
    tion) has not been demonstrated, whereas petitioner’s expert
    Dr. Brown believes there is ample proof of positive thera-
    peutic outcomes.
    Psychiatric reference texts support Dr. Brown’s position.
    See Green, ‘‘Gender Identity Disorder in Adults’’, in New
    Oxford Textbook of Psychiatry 915 (Gelder, et al., eds.,
    Oxford Univ. Press 2000) (stating ‘‘Follow-up reports on oper-
    ated transsexuals are generally quite favorable’’ and
    describing a study where transsexual patients were randomly
    49 Judge   Posner wrote in Maggert v. 
    Hanks, 131 F.3d at 671
    :
    The cure for the male transsexual consists not of psychiatric treatment designed to make the
    patient content with his biological sexual identity—that doesn’t work—but of estrogen therapy
    designed to create the secondary sexual characteristics of a woman followed by the surgical re-
    moval of the genitals and the construction of a vagina-substitute out of penile tissue. [Citations
    omitted.]
    See also Tasman et al., Psychiatry 1491 (2d ed., John Wiley & Sons 2003):
    No one knows how to cure [through psychotherapy] an adult’s gender problem. People who have
    long lived with profound cross-gender identifications do not get insight—either behaviorally
    modified or medicated—and find that they subsequently have a conventional gender identity.
    Psychotherapy is useful, nonetheless [citation omitted]. * * *
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           69
    divided into two groups, one receiving surgery promptly and
    the other having surgery postponed for 2 years; ‘‘The group
    that received the earlier surgery showed significant improve-
    ment in a range of psychometric measures and maintained
    employment. The unoperated group showed no improvement
    in psychological testing and deteriorated in employment’’);
    Green & Blanchard, ‘‘Gender Identity Disorders,’’ in Kaplan
    & Sadock’s Comprehensive Textbook of Psychiatry 1660
    (Sadock & Sadock, eds., 7th ed., Lippincott Williams & Wil-
    kins 2000) (‘‘Outcome studies as a whole suggest that sur-
    gical sex reassignment produces additional improvements in
    psychosocial adjustment’’); Levine, ‘‘Sexual Disorders’’, in
    Psychiatry 1492 (Tasman, et al., eds., 2d ed., John Wiley &
    Sons 2005) (‘‘Surgery can be expected to add further improve-
    ments in the lives of patients [citation omitted]—more social
    activities with friends and family, more activity in sports,
    more partner sexual activity, and improved vocational
    status’’).
    However, even assuming some debate remains in the med-
    ical profession regarding acceptance of the Benjamin stand-
    ards or the scientific proof of the therapeutic efficacy of sex
    reassignment surgery, a complete consensus on the advis-
    ability or efficacy of a procedure is not necessary for a deduc-
    tion under section 213. See, e.g., Dickie v. Commissioner,
    T.C. Memo. 1999–138 (naturopathic cancer treatments
    deductible); Crain v. Commissioner, T.C. Memo. 1986–138
    (holistic cancer treatments deductible but for failure of
    substantiation); Tso v. Commissioner, T.C. Memo. 1980–399
    (Navajo ‘‘sings’’ (healing ceremonies) deductible); Rev. Rul.
    72–593, 1972–2 C.B. 180 (acupuncture deductible); Rev.
    Rul. 55–261, 1955–1 C.B. 307 (services of Christian Science
    practitioners deductible). It is sufficient if the circumstances
    ‘‘justify a reasonable belief the * * * [treatment] would be
    efficacious’’. Havey v. Commissioner, 
    12 T.C. 412
    . That
    standard has been fully satisfied here. The evidence is clear
    that a substantial segment of the psychiatric profession has
    been persuaded of the advisability and efficacy of hormone
    therapy and sex reassignment surgery as treatment for GID,
    as have many courts.
    Finally, the Court does not doubt that, as respondent’s
    expert Dr. Schmidt points out in his report, some medical
    professionals shun transsexual patients and consider cross-
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    70                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    gender hormone therapy and sex reassignment surgery
    unethical because they disrupt what is considered to be a
    ‘‘normally functioning hormonal status or destroy healthy,
    normal tissue.’’ However, the Internal Revenue Service has
    not heretofore sought to deny the deduction for a medical
    procedure because it was considered unethical by some. See,
    e.g., Rev. Rul. 73–201, 1973–1 C.B. 140 (cost of abortion legal
    under State law is deductible medical care under section
    213); Rev. Rul. 
    55–261, supra
    (services of Christian Science
    practitioners deductible). Absent a showing of illegality, any
    such ground for denying a medical expense deduction finds
    no support in section 213.
    In sum, the evidence establishes that cross-gender hor-
    mone therapy and sex reassignment surgery are well-recog-
    nized and accepted treatments for severe GID. The evidence
    demonstrates that hormone therapy and sex reassignment
    surgery to alter appearance (and, to some degree, function 50)
    are undertaken by GID sufferers in an effort to alleviate the
    distress and suffering occasioned by GID, and that the proce-
    dures have positive results in this regard in the opinion of
    many in the psychiatric profession, including petitioner’s and
    respondent’s experts. Thus, a ‘‘reasonable belief ’’ in the
    procedures’ efficacy is justified. See Havey v. Commis
    sioner, supra
    at 412. Alleviation of suffering falls within the regu-
    latory and caselaw definitions of treatment, see Starrett v.
    Commis
    sioner, supra
    ; sec. 1.213–1(e)(1), Income Tax Regs.,
    and to ‘‘relieve’’ is to ‘‘treat’’ according to standard dictionary
    definitions. We therefore conclude and hold that petitioner’s
    hormone therapy and sex reassignment surgery ‘‘[treated]
    * * * disease’’ within the meaning of section 213(d)(9)(B) and
    accordingly are not ‘‘cosmetic surgery’’ as defined in that sec-
    tion.
    While our holding that cross-gender hormone therapy and
    sex reassignment surgery are not cosmetic surgery is based
    upon the specific definition of that term in section
    213(d)(9)(B), our conclusion that these procedures treat dis-
    ease also finds support in the opinions of other courts that
    have concluded for various nontax purposes that sex
    50 The undisputed evidence is that administration of feminizing hormones to genetic male GID
    sufferers produces a psychological calming effect in addition to physical changes. Sex reassign-
    ment surgery in genetic males uses penile tissue in the newly created vagina in a manner de-
    signed to make the patient capable of arousal and intercourse.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           71
    reassignment surgery and/or hormone therapy are not cos-
    metic procedures. See, e.g., Meriwether v. 
    Faulkner, 821 F.2d at 411
    –413 (rejecting, in an Eighth Amendment case, the
    District Court’s conclusion that a transsexual inmate’s
    requested hormone therapy was ‘‘ ‘elective medication’ nec-
    essary only to maintain ‘a physical appearance and life
    style’ ’’ and noting that numerous courts have ‘‘expressly
    rejected the notion that transsexual surgery is properly
    characterized as cosmetic surgery, concluding instead that
    such surgery is medically necessary for the treatment of
    transsexualism’’); Pinneke v. Preisser, 
    623 F.2d 546
    , 548 (8th
    Cir. 1980) (State Medicaid plan may not deny reimbursement
    for sex reassignment surgery on grounds that it is ‘‘cosmetic
    surgery’’); Rush v. Parham, 
    440 F. Supp. 383
    , 390–391 (N.D.
    Ga. 1977) (to same effect), revd. on other grounds 
    625 F.2d 1150
    (5th Cir. 1980); J.D. v. Lackner, 
    145 Cal. Rptr. 570
    , 572
    (Ct. App. 1978) (sex reassignment surgery is not ‘‘cosmetic
    surgery’’ as defined in State Medicaid statute; ‘‘We do not
    believe, by the wildest stretch of the imagination, that such
    surgery can reasonably and logically be characterized as cos-
    metic.’’); G.B. v. Lackner, 
    145 Cal. Rptr. 555
    , 559 (Ct. App.
    1978) (to same effect); Davidson v. Aetna Life & Cas. Ins.
    Co., 
    420 N.Y.S.2d 450
    , 453 (N.Y. Sup. Ct. 1979) (sex
    reassignment surgery is not ‘‘cosmetic surgery’’ within
    meaning of medical insurance policy exclusion; sex reassign-
    ment surgery ‘‘is performed to correct a psychological defect,
    and not to improve muscle tone or physical appearance.
    * * * [It] cannot be considered to be of a strictly cosmetic
    nature.’’). But see Smith v. Rasmussen, 
    249 F.3d 755
    , 759–
    761 (8th Cir. 2001) (denial of reimbursement for sex
    reassignment surgery proper where State Medicaid plan des-
    ignated sex reassignment surgery as ‘‘cosmetic surgery’’ and
    alternate GID treatments available).
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    72                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    2. Breast Augmentation Surgery
    We consider separately the qualification of petitioner’s
    breast augmentation surgery as deductible medical care,
    because respondent makes the additional argument that this
    surgery was not necessary to the treatment of GID in peti-
    tioner’s case because petitioner already had normal breasts
    before her surgery. Because petitioner had normal
    breasts before her surgery, respondent argues, her breast
    augmentation surgery was ‘‘directed at improving * * * [her]
    appearance and [did] not meaningfully promote the proper
    function of the body or prevent or treat illness or disease’’,
    placing the surgery squarely within the section 213(d)(9)(B)
    definition of ‘‘cosmetic surgery’’. Petitioner has not argued, or
    adduced evidence, that the breast augmentation surgery
    ameliorated a deformity within the meaning of section
    213(d)(9)(A). Accordingly, if the breast augmentation surgery
    meets the definition of ‘‘cosmetic surgery’’ in section
    213(d)(9)(B), it is not ‘‘medical care’’ that is deductible pursu-
    ant to section 213(a).
    For the reasons discussed below, we find that petitioner
    has failed to show that her breast augmentation surgery
    ‘‘[treated]’’ GID. The Benjamin standards provide that breast
    augmentation surgery for a male-to-female patient ‘‘may be
    performed if the physician prescribing hormones and the sur-
    geon have documented that breast enlargement after under-
    going hormone treatment for 18 months is not sufficient for
    comfort in the social gender role.’’ The record contains no
    documentation from the endocrinologist prescribing peti-
    tioner’s hormones at the time of her surgery. To the extent
    Ms. Ellaborn’s or Dr. Coleman’s recommendation letters to
    Dr. Meltzer might be considered substitute documentation
    for that of the hormone-prescribing physician, Ms. Ellaborn’s
    two letters are silent concerning the condition of petitioner’s
    presurgical breasts, while Dr. Coleman’s letter states that
    petitioner ‘‘appears to have significant breast development
    secondary to hormone therapy’’. The surgeon here, Dr.
    Meltzer, recorded in his presurgical notes that petitioner had
    ‘‘approximately B cup breasts with a very nice shape.’’ 51
    Thus, all of the contemporaneous documentation of the condi-
    51 Even petitioner conceded in her testimony that she had ‘‘a fair amount of breast develop-
    ment * * * from the hormones’’ at the time of her presurgical consultation with Dr. Meltzer.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           73
    tion of petitioner’s breasts before the surgery suggests that
    they were within a normal range of appearance, and there is
    no documentation concerning petitioner’s comfort level with
    her breasts ‘‘in the social gender role’’.
    Dr. Meltzer testified with respect to his notes that his ref-
    erence to the ‘‘very nice shape’’ of petitioner’s breasts was in
    comparison to the breasts of other transsexual males on
    feminizing hormones and that petitioner’s breasts exhibited
    characteristics of gynecomastia, a condition where breast
    mass is concentrated closer to the nipple as compared to the
    breasts of a genetic female. Nonetheless, given the contem-
    poraneous documentation of the breasts’ apparent normalcy
    and the failure to adhere to the Benjamin standards’ require-
    ment to document breast-engendered anxiety to justify the
    surgery, we find that petitioner’s breast augmentation sur-
    gery did not fall within the treatment protocols of the Ben-
    jamin standards and therefore did not ‘‘treat’’ GID within the
    meaning of section 213(d)(9)(B). Instead, the surgery merely
    improved her appearance.
    The breast augmentation surgery is therefore ‘‘cosmetic
    surgery’’ under the section 213(d)(9)(B) definition unless it
    ‘‘meaningfully [promoted] the proper function of the body’’.
    The parties have stipulated that petitioner’s breast aug-
    mentation ‘‘did not promote the proper function of her
    breasts’’. Although petitioner expressly declined to stipulate
    that the breast augmentation ‘‘did not meaningfully promote
    the proper functioning of her body within the meaning of
    I.R.C. § 213’’, we conclude that the stipulation to which she
    did agree precludes a finding on this record, given the failure
    to adhere to the Benjamin standards, that the breast aug-
    mentation surgery ‘‘meaningfully [promoted] the proper func-
    tion of the body’’ within the meaning of section 213(d)(9)(B).
    Consequently, the breast augmentation surgery is ‘‘cosmetic
    surgery’’ that is excluded from deductible ‘‘medical care’’. 52
    52 Respondent also argues that the various surgical procedures petitioner underwent to femi-
    nize her facial features in 2000 and 2005 demonstrate a propensity for cosmetic surgery that
    is relevant in assessing whether petitioner’s hormone therapy and sex reassignment surgery
    were undertaken for the purpose of improving petitioner’s appearance rather than treating a
    disease.
    We disagree. The deductibility of petitioner’s facial surgery, undertaken in years other than
    the year in issue, is not at issue in this case. However, there is substantial evidence that such
    surgery may have served the same therapeutic purposes as (genital) sex reassignment surgery
    and hormone therapy; namely, effecting a female appearance in a genetic male. Both Ms.
    Continued
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    74                 134 UNITED STATES TAX COURT REPORTS                                             (34)
    E. Medical Necessity
    Finally, respondent argues that petitioner’s sex reassign-
    ment surgery was not ‘‘medically necessary’’, 53 which
    respondent contends is a requirement intended by Congress
    to apply to procedures directed at improving appearance, as
    evidenced by certain references to ‘‘medically necessary’’
    procedures in the legislative history of the enactment of the
    cosmetic surgery exclusion of section 213(d)(9). 54 Respondent
    in effect argues that the legislative history’s contrast of non-
    deductible cosmetic surgery with ‘‘medically necessary’’ proce-
    dures evidences an intent by Congress to impose a require-
    ment in section 213(d)(9) of medical necessity for the deduc-
    tion of procedures affecting appearance. We find it unneces-
    sary to resolve respondent’s claim that section 213(d)(9)
    should be interpreted to require a showing of ‘‘medical neces-
    sity’’ notwithstanding the absence of that phrase in the
    statute. That is so because respondent’s contention would not
    bar the deductions at issue, inasmuch as we are persuaded,
    as discussed below, that petitioner has shown that her sex
    reassignment surgery was medically necessary.
    Respondent’s basis for the claim that petitioner’s sex
    reassignment surgery was not medically necessary is the
    Ellaborn and Dr. Meltzer testified that petitioner had masculine facial features which interfered
    with her passing as female. The expert testimony confirmed that passing as female is important
    to the mental health of a male GID sufferer, and the Benjamin standards contemplate surgery
    to feminize facial features as part of sex reassignment for a male GID sufferer. Thus, we con-
    clude that the facial surgery does not suggest, as respondent contends, that petitioner had a
    propensity for conventional cosmetic surgery.
    53 Respondent does not make this argument with respect to petitioner’s hormone therapy. His
    own expert, Dr. Schmidt, effectively concedes the medical necessity of hormone therapy when
    he argues that sex reassignment surgery is not medically necessary because hormone therapy
    is one of the ‘‘alternative, successful methods of managing Gender Identity Disorder short of sur-
    gery.’’
    54 Respondent relies upon the following excerpts from the report of the Senate Finance Com-
    mittee issued in connection with the enactment of the cosmetic surgery exclusion of sec.
    213(d)(9):
    Expenses for purely cosmetic procedures that are not medically necessary are, in essence, vol-
    untary personal expenses, which like other personal expenditures (e.g., food and clothing) gen-
    erally should not be deductible in computing taxable income.
    *         *          *          *           *         *        *
    * * * [E]xpenses for procedures that are medically necessary to promote the proper function of
    the body and only incidentally affect the patient’s appearance * * * continue to be deductible
    * * *. [136 Cong. Rec. 30485, 30570 (1990).]
    The Senate Finance Committee report is set out more fully supra note 27. We note that the
    discussion of sec. 213(d)(9) in the conference report issued with respect to the agreed final
    version of sec. 213(d)(9) contains no reference to ‘‘medical necessity’’ or any variant of the
    phrase. See H. Conf. Rept. 101–964, at 1031 (1990), 1991–2 C.B. 560, 562.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           75
    expert report and testimony of his expert, Dr. Schmidt. Dr.
    Schmidt acknowledges in his report that the definition of
    medical necessity ‘‘varies according to the defining party’’.
    Dr. Schmidt never expressly defines the term, but he con-
    cludes that sex reassignment surgery is not medically nec-
    essary because (1) no ‘‘community’’ standard of care requires
    it (so that a practitioner’s failure to provide the surgery
    would not constitute malpractice) and (2) in his view a thera-
    pist should remain neutral regarding the decision to have the
    surgery—which makes the surgery, Dr. Schmidt reasons,
    elective. 55 Taken together, these two factors indicate that
    the surgery is not medically necessary, in Dr. Schmidt’s view.
    Respondent has not shown that Dr. Schmidt’s concept of
    medical necessity is widely accepted, and it strikes the Court
    as idiosyncratic and unduly restrictive. Moreover, Dr.
    Schmidt also expressed the view that sex reassignment sur-
    gery has ‘‘recognized medical and psychiatric benefits’’ and is
    ‘‘certainly medically helpful’’.
    Dr. Schmidt conceded in his report that a significant seg-
    ment of those physicians who are knowledgeable concerning
    GID believes that sex reassignment surgery is medically nec-
    essary, ranging from those who believe such surgery is gen-
    erally medically necessary in treating GID to those who think
    it is medically necessary in selected cases. As noted, peti-
    tioner’s expert Dr. Brown believes that sex reassignment sur-
    gery is often the only effective treatment for severe GID, and
    a number of courts have concurred. Dr. Brown therefore
    believes the surgery is medically necessary for severe GID.
    See also Sadock & 
    Sadock, supra
    (‘‘When the patient’s gender
    dysphoria is severe and intractable, sex reassignment may be
    the best solution.’’) Several courts have also concluded in a
    variety of contexts that sex reassignment surgery for severe
    GID or transsexualism is medically necessary. See Meriwether
    v. 
    Faulkner, 821 F.2d at 412
    ; Pinneke v. 
    Preisser, 623 F.2d at 548
    ; Sommers v. Iowa Civil Rights 
    Commn., 337 N.W.2d at 473
    ; Doe v. Minn. Dept. of Pub. Welfare,
    55 Petitioner’s expert Dr. Brown disagrees with the view that a therapist should remain neu-
    tral regarding the decision to undergo sex reassignment surgery, believing that a patient experi-
    encing the distress of GID is not well equipped to make a decision on irreversible surgery. In
    Dr. Brown’s opinion, the therapist should counsel patients towards less invasive treatments
    until they have proven ineffective and the surgery appears to be the only effective alternative
    left.
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    76                 134 UNITED STATES TAX COURT REPORTS                                         
    (34) 257 N.W.2d at 819
    ; Davidson v. Aetna Life & Cas. Ins. 
    Co., 420 N.Y.S.2d at 453
    .
    The mental health professional who treated petitioner con-
    cluded that petitioner’s GID was severe, that sex reassign-
    ment surgery was medically necessary, and that petitioner’s
    prognosis without it was poor. Given Dr. Brown’s expert
    testimony, 56 the judgment of the professional treating peti-
    tioner, the agreement of all three experts that untreated GID
    can result in self-mutilation and suicide, and, as conceded by
    Dr. Schmidt, the views of a significant segment of
    knowledgeable professionals that sex reassignment surgery is
    medically necessary for severe GID, the Court is persuaded
    that petitioner’s sex reassignment surgery was medically nec-
    essary.
    IV. Conclusion
    The evidence amply supports the conclusions that peti-
    tioner suffered from severe GID, that GID is a well-recognized
    and serious mental disorder, and that hormone therapy and
    sex reassignment surgery are considered appropriate and
    effective treatments for GID by psychiatrists and other
    mental health professionals who are knowledgeable con-
    cerning the condition. Given our holdings that GID is a ‘‘dis-
    ease’’ and that petitioner’s hormone therapy and sex
    reassignment surgery ‘‘[treated]’’ it, petitioner has shown the
    ‘‘existence * * * of a disease’’ and a payment for goods or
    services ‘‘directly or proximately related’’ to its treatment.
    See Jacobs v. Commissioner, 
    62 T.C. 818
    . She likewise
    satisfies the ‘‘but for’’ test of Jacobs, which requires a
    showing that the procedures were an essential element of the
    treatment and that they would not have otherwise been
    undertaken for nonmedical reasons. Petitioner’s hormone
    therapy and sex reassignment surgery were essential ele-
    ments of a widely accepted treatment protocol for severe GID.
    The expert testimony also establishes that given (1) the
    risks, pain, and extensive rehabilitation associated with sex
    reassignment surgery, (2) the stigma encountered by persons
    56 When weighing Dr. Brown’s and Dr. Schmidt’s opposing views on whether sex reassignment
    surgery is medically necessary, we consider that Dr. Brown is widely published in peer-reviewed
    medical journals and academic texts on the subject of GID, whereas Dr. Schmidt is not. Accord-
    ingly, there is a reasonable basis to conclude that Dr. Brown’s views are more widely recognized
    and accepted in the psychiatric profession.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           77
    who change their gender role and appearance in society, and
    (3) the expert-backed but commonsense point that the desire
    of a genetic male to have his genitals removed requires an
    explanation beyond mere dissatisfaction with appearance
    (such as GID or psychosis), petitioner would not have under-
    gone hormone therapy and sex reassignment surgery except
    in an effort to alleviate the distress and suffering attendant
    to GID. Respondent’s contention that petitioner undertook the
    surgery and hormone treatments to improve appearance is at
    best a superficial characterization of the circumstances that
    is thoroughly rebutted by the medical evidence.
    Petitioner has shown that her hormone therapy and sex
    reassignment surgery treated disease within the meaning of
    section 213 and were therefore not cosmetic surgery. Thus
    petitioner’s expenditures for these procedures were for ‘‘med-
    ical care’’ as defined in section 213(d)(1)(A), for which a
    deduction is allowed under section 213(a).
    To reflect the foregoing and concessions by the parties,
    Decision will be entered under Rule 155.
    Reviewed by the Court.
    COLVIN, COHEN, THORNTON, MARVEL, WHERRY, PARIS, and
    MORRISON, JJ., agree with this majority opinion.
    HALPERN J., concurring: I substantially agree with the
    majority. I write separately to offer one comment on
    the majority’s rationale for disallowing petitioner’s deduction
    for her breast augmentation surgery and to offer additional
    comments on positions taken in other side opinions.
    I. Breast Augmentation Surgery
    I am satisfied with the majority’s decision to disallow a
    deduction for petitioner’s breast augmentation surgery on the
    ground that it did not fall within the treatment protocols of
    the Benjamin standards. Majority op. p. 73. For me, that
    petitioner failed to prove her doctors adhered to the Ben-
    jamin standards requirement that they document her breast-
    engendered anxiety is sufficient to find that the surgery did
    not fall within those standards. The majority’s added reason,
    ‘‘the breasts’ apparent normalcy’’, majority op. p. 73, I find
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    78                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    superfluous and potentially misleading. In particular, the
    observation of Dr. Meltzer, petitioner’s surgeon, in his pre-
    surgical note that petitioner’s breasts were of a very nice
    shape was not an aesthetic judgment but rather a clinical
    observation relating to the shape of her breasts in compari-
    son to the breasts of other transsexual males on feminizing
    hormones. Moreover, Dr. Meltzer testified that the surgery
    was different from the surgery he would perform on a
    biological female: ‘‘[I]t was to give her a female looking
    breast, which is quite different from a male breast’’. In
    response to a question from the Court, he testified that the
    primary purpose of the breast surgery was not to improve
    petitioner’s appearance but ‘‘to assign her to the appropriate
    gender’’. His medical notes should not be taken out of con-
    text.
    II. Statutory Interpretation
    A. Introduction
    We face a task that is not unusual for us, that is, inter-
    preting the Internal Revenue Code, and we employ a set of
    tools (canons of construction and the like) that are familiar
    to both us and the parties. My colleagues raise arguments in
    support of respondent that he did not make. 1 Because they
    are not addressed by the majority, I use this opportunity to
    address some of them.
    B. Sex Reassignment Surgery, Treatment, and Mitigation
    For the sake of argument, I accept the distinction Judge
    Gustafson draws between the words ‘‘treat’’ and ‘‘mitigate’’.
    Nevertheless, his argument that sex reassignment surgery
    only mitigates (and does not treat) GID rests on a subtle mis-
    understanding of that disease.
    For Judge Gustafson, petitioner’s disease was the ‘‘delu-
    sion’’ that she was a female. Gustafson op. note 9. Judge
    Gustafson cannot fathom that someone with a healthy male
    body who believes he is female is not sick of mind. Yet the
    record suggests that the disease is more than that. A
    1 Clearly the issues before us are important to respondent. His opening brief is 209 pages long,
    and his answering brief is 72 pages long. Between them, the two briefs show a total of eight
    attorneys assisting the Chief Counsel, in whose name the briefs are filed. I assume that re-
    spondent made all the arguments that he thought persuasive.
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    (34)                     O’DONNABHAIN v. COMMISSIONER                                           79
    biological male who is convinced he is a woman but does not
    exhibit clinically significant distress or impaired functioning
    fails to satisfy at least one precondition set forth in DSM–IV–
    TR for a diagnosis of GID. 2 Simply put, the ‘‘delusion’’ itself
    is not the disease. Instead, for someone suffering from severe
    GID (like petitioner) the medical problem—the disease—is the
    symptoms. For a significant part of the medical community,
    sex reassignment surgery is an accepted approach to elimi-
    nating a sufficient number of those symptoms so that a diag-
    nosis of GID will no longer hold. And if the diagnosis will no
    longer hold, then the patient is cured.
    Petitioner’s expert, George R. Brown, M.D., was of the
    opinion that sex reassignment surgery does not change the
    patient’s belief that his or her psychological gender does not
    match his or her biological sex. Nevertheless, he was of the
    opinion that, by virtue of petitioner’s hormone therapy and
    sex reassignment surgery, she was cured of her GID, ‘‘which
    due to the severity and long-standing nature of her condition,
    would not have been possible without hormones and sex
    reassignment surgery.’’ He testified that, by ‘‘cured’’, he
    meant that the symptoms of the disorder were no longer
    present for an extended period. She was cured, he testified,
    because, when he examined her in March 2007 to prepare his
    expert testimony, she no longer met the criteria for a diag-
    nosis of GID. For instance, he testified, she had been free for
    a long time of clinically significant distress or impairment
    resulting from a misalignment of her body and her psycho-
    logical sex. Indeed, his explanation comports with a consider-
    ation of the diagnostic criteria in DSM–IV–TR (cited by the
    majority, majority op. p. 36) for GID. In discussing the diag-
    nostic features of GID, DSM–IV–TR states: ‘‘To make the diag-
    nosis [of GID], there must be evidence of clinically significant
    distress or impairment in social, occupational, or other
    important areas of functioning.’’
    Dr. Brown seems to have concluded that petitioner was
    cured according to the notion discussed above that a disease
    is characterized by an identifiable group of signs or symp-
    toms, 3 and when those signs or symptoms, once present, are
    2 See
    discussion of that precondition in the immediately following paragraph.
    3 The
    principal meaning of ‘‘disease’’ in the American Heritage Dictionary of the English Lan-
    guage 517 (4th ed. 2000) is: ‘‘A pathological condition of a part, organ, or system of an organism
    Continued
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    80                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    no longer present in sufficient degree or severity to charac-
    terize (diagnose) the disease, the patient is free of the dis-
    ease; i.e., she is ‘‘cured’’. Whether in fact petitioner was free
    of clinically significant distress or impairment (there may
    have been some disagreement among the doctors) 4 has no
    effect on the force of Dr. Brown’s argument. If petitioner
    could be cured, then she could be treated, 5 and, as the
    majority makes clear, we do not ground decisions as to med-
    ical care on the efficacy of the treatment. Majority op. pp.
    69–70. Judge Gustafson has failed to convince me that we
    should understand the verb ‘‘to cure’’ in any but the way Dr.
    Brown uses it.
    C. The Intent of Congress
    Judge Goeke rejects surgery as a treatment for GID because
    of his contextual reading of the statute: ‘‘I believe that the
    word ‘treat’ in the context of the cosmetic surgery exclusion
    implies that for expenses for any procedure to be deductible,
    the procedure must address a physically related malady.’’
    Goeke op. p. 102. Judge Goeke, like Judge Gustafson, how-
    ever, fails to provide any convincing support for his position.
    Judge Goeke’s contextual argument relies heavily on his
    discerning congressional purpose from the report of the
    Senate Finance Committee discussed by the majority,
    majority op. note 27, and quoted by Judge Goeke, Goeke op.
    p. 103. In the light of the report language that he quotes,
    Judge Goeke argues: ‘‘The * * * Senate Finance Committee
    report indicates that Congress intended to allow deductions
    only for cosmetic surgery to correct physical maladies
    resulting from disease or physical disfigurement’’. Goeke op.
    p. 103. I disagree in general with Judge Goeke’s reliance on
    the report given the unambiguous language of section
    213(d)(9), and I disagree in particular with the inference he
    draws from the report.
    resulting from various causes, such as infection, genetic defect, or environmental stress, and
    characterized by an identifiable group of signs or symptoms.’’ (Emphasis added.)
    4 In rebuttal to Dr. Brown, respondent’s expert, Chester W. Schmidt, Jr., M.D., disagreed with
    Dr. Brown’s use of the word ‘‘cure’’ in connection with petitioner, since she continued to suffer
    from psychiatric disorders, but he did not dispute that someone who presents no symptoms of
    a disease would be considered cured of that disease.
    5 Judge Gustafson seems to concede that if GID is curable, then it is treatable: ‘‘[A]ny proce-
    dure that does ‘cure’ a disease necessarily ‘treats’ it.’’ Gustafson op. note 7.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                            81
    In Campbell v. Commissioner, 
    108 T.C. 54
    , 62–63 (1997),
    we set forth the well-established and well-understood rules
    for construing a provision of the Internal Revenue Code:
    In construing * * * [a provision of the Internal Revenue Code], our task
    is to give effect to the intent of Congress, and we must begin with the
    statutory language, which is the most persuasive evidence of the statutory
    purpose. United States v. American Trucking Associations, Inc., 
    310 U.S. 534
    , 542–543 (1940). Ordinarily, the plain meaning of the statutory lan-
    guage is conclusive. United States v. Ron Pair Enters. Inc., 
    489 U.S. 235
    ,
    242 (1989). Where a statute is silent or ambiguous, we may look to legisla-
    tive history in an effort to ascertain congressional intent. Burlington N.
    R.R. v. Oklahoma Tax Commn., 
    481 U.S. 454
    , 461 (1987); Griswold v
    United States, 
    59 F.3d 1571
    , 1575–1576 (11th Cir. 1995). However, where
    a statute appears to be clear on its face, we require unequivocal evidence
    of legislative purpose before construing the statute so as to override the
    plain meaning of the words used therein. Huntsberry v. Commissioner, 
    83 T.C. 742
    , 747–748 (1984); see Pallottini v. Commissioner, 
    90 T.C. 498
    , 503
    (1988), and cases there cited.
    The word ‘‘treat’’ is found in section 213(d)(9) only in the
    definition of ‘‘cosmetic surgery’’ in section 213(d)(9)(B). 6 It
    forms part of the expression ‘‘does not * * * prevent or treat
    illness or disease’’, and nothing in the definition indicates
    that the expression excludes surgical treatments for mental
    illness or mental disease. The language of section
    213(d)(9)(B) is sufficiently plain that, in searching the legis-
    lative history of the provision for a contradiction, I would
    keep firmly in mind the Supreme Court’s injunction in
    United States v. Ron Pair Enters., Inc., 
    489 U.S. 235
    , 242
    (1989): Ordinarily, the plain meaning of the statutory lan-
    guage is conclusive.
    I would also keep in mind that, as quoted above, ‘‘where
    a statute appears to be clear on its face, we require
    unequivocal evidence of legislative purpose before construing
    the statute so as to override the plain meaning of the words
    6 That provision, on its face, is ambiguous only to the extent that, to give meaning to the term
    ‘‘other similar procedures’’ in sec. 213(d)(9)(A), the word ‘‘surgical’’ probably should be inferred
    before the word ‘‘procedure’’. Sec. 213(d)(9)(B) would then read: ‘‘Cosmetic surgery defined.—For
    purposes of this paragraph, the term ‘cosmetic surgery’ means any [surgical] procedure which
    is directed at improving the patient’s appearance and does not meaningfully promote the proper
    function of the body or prevent or treat illness or disease.’’
    Without the inferred ‘‘surgical’’, the set of procedures constituting ‘‘cosmetic surgery’’ would
    seem to encompass every procedure (surgical or not) doing nothing other than improving the
    patient’s appearance, apparently leaving ‘‘other similar procedures’’ an empty set (empty be-
    cause all procedures directed at improving appearance would already be in the set labeled ‘‘cos-
    metic surgery’’).
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    82                 134 UNITED STATES TAX COURT REPORTS                                            (34)
    used therein.’’ Campbell v. Commis
    sioner, supra
    at 63. Here
    there is no such evidence. The paragraph of the Senate
    Finance Committee report on which Judge Goeke relies does
    not adequately illuminate subparagraph (B) of section
    213(d)(9) because it discusses ‘‘disease’’ only in the context of
    the amelioration of a ‘‘disfiguring disease’’ in subparagraph
    (A) of that section. 7 The report does not even mention that,
    according to the definition of cosmetic surgery, a procedure
    that prevents or treats illness or disease will not be classified
    as cosmetic surgery under section 213(d)(9)(B). The Senate
    Finance Committee report is far from unequivocal evidence
    of legislative purpose contrary to that to be inferred from the
    plain language of section 213(d)(9)(B). 8 I would stick with
    the plain language and read ‘‘treat’’ and ‘‘illness or disease’’
    to have their ordinary meanings.
    D. The Plain Language of the Provision
    Judge Foley takes both the majority and respondent to
    task for not adhering to the plain language of section
    213(d)(9). The plain language, he argues, compels the conclu-
    sion that for surgery directed at improving appearance to
    escape classification as cosmetic surgery under section
    213(d)(9)(B) it must both meaningfully promote the proper
    function of the body and prevent or treat illness or disease. 9
    7 The reference to ‘‘disfiguring disease’’ in subpar. (A) of sec. 213(d)(9) is also clear on its face.
    That term is the object of the verb ‘‘to ameliorate’’, which is different from the verb ‘‘to treat’’.
    To treat a disease is to seek to cure it; to ameliorate a disfiguring disease is seek to reduce
    the effects of a disease now gone. For example, consider dermal abrasion to erase scars left by
    a severe case of adolescent acne.
    8 Indeed, H. Conf. Rept. 101–964, at 1032 (1990), 1991–2 C.B. 560, 562, which accompanied
    the Omnibus Budget Reconciliation Act of 1990, Pub. L. 101–508, sec. 11342(a), 104 Stat. 1388–
    471 (adding sec. 213(d)(9)), and which postdates the Senate Finance Committee report, describes
    the Senate amendment adding sec. 213(d)(9) in the exact terms of the statute:
    The Senate Amendment provides that expenses paid for cosmetic surgery or other similar pro-
    cedures are not deductible medical expenses, unless the surgery or procedure is necessary to
    ameliorate a deformity arising from, or directly related to, a congenital abnormality, a personal
    injury resulting from an accident or trauma, or disfiguring disease. For purposes of this provi-
    sion, cosmetic surgery is defined as any procedure which is directed at improving the patient’s
    appearance and does not meaningfully promote the proper function of the body or prevent or
    treat illness or disease.
    N.b.: The term ‘‘disease’’ is used twice, in two different contexts, and, as the majority notes, ma-
    jority op. note 54, there is no reference to ‘‘medical necessity’’.
    9 Judge Foley does not put it that way (i.e., stating what cosmetic surgery is not), but that
    must be what he means, because he writes: ‘‘Thus, if petitioner’s procedures are ‘directed at im-
    proving * * * appearance’ and ‘[do] not meaningfully promote the proper function of the body’,
    they are cosmetic surgery without regard to whether they treat a disease.’’ Foley op. p. 105. I
    assume he would concede that a procedure directed at improving appearance that both meaning-
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           83
    He further argues that, even if not cosmetic surgery within
    the meaning of section 213(d)(9)(B), petitioner’s sex reassign-
    ment surgery and related procedures (I assume the hormone
    therapy) may be ‘‘other similar procedures’’ under section
    213(d)(9)(A). I believe that Judge Foley is wrong on his first
    count and that, with respect to his second count, neither the
    sex reassignment surgery nor the hormone therapy falls
    within the class of ‘‘other similar procedures’’.
    I agree with Judge Foley that section 213(d)(9)(B) sets
    forth a two-part test: A procedure is cosmetic surgery if it (1)
    is directed at improving appearance and (2) does not mean-
    ingfully promote the proper function of the body or prevent
    or treat illness or disease. Because the second part of the test
    contains two expressions separated by ‘‘or’’, that part of the
    test contains a ‘‘disjunction’’; i.e., a compound proposition
    that is true if one of its elements is true. Importantly, how-
    ever, the second part of the test contains not just a
    disjunction (i.e., (p or q)), but rather the negation of a
    disjunction (i.e., not (p or q)). Judge Foley errs because he
    assumes that the expression ‘‘not (p or q)’’ is equivalent to
    the expression ‘‘(not p) or (not q)’’. Thus, he redefines cos-
    metic surgery such that: ‘‘A procedure ‘directed at improving
    the patient’s appearance’ is cosmetic surgery if it either does
    not ‘meaningfully promote the proper function of the body’ or
    does not ‘prevent or treat illness or disease.’ ’’ Foley p. 105.
    Judge Foley simply disregards the rules of grammar and
    logic in favor of a part of the legislative history that is silent
    as to the interpretative question he fashions.
    In formal logic, there is a set of rules, De Morgan’s laws,
    relating the logical operators ‘‘and’’ and ‘‘or’’ in terms of each
    other via negation. E.g., http://en.wikipedia.org/wiki/
    DelMorgan’sllaws. The rules are:
    not (p or q) = (not p) and (not q)
    not (p and q) = (not p) or (not q)
    The first of the rules would appear to govern the disjunction
    in section 213(d)(9)(B), which is of the form ‘‘not (p or q)’’. Its
    equivalent is of the form ‘‘(not p) and (not q)’’, which, sub-
    stituting the relevant words, is: ‘‘does not meaningfully pro-
    mote the proper function of the body and does not prevent or
    fully promotes function and treats a disease is not cosmetic surgery.
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    84                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    treat illness or disease’’. The two-part test of section
    213(d)(9)(B) for determining whether a procedure is cosmetic
    surgery could then equivalently be rewritten: A procedure is
    cosmetic surgery if it (1) is directed at improving appearance
    and (2) does not meaningfully promote the proper function of
    the body and does not prevent or treat illness or disease. The
    second expression is true only if the procedure neither mean-
    ingfully promotes the proper function of the body nor pre-
    vents or treats illness or disease. If one of the alternatives
    is true, however, then the expression is false and the test is
    flunked, so that the procedure is not cosmetic surgery. That,
    of course, contradicts Judge Foley’s reading of the statute,
    but I believe the better view is to presume that Congress is
    careful in its drafting and drafts in accordance, rather than
    in conflict, with the rules of grammar and logic.
    Finally, Judge Foley argues that the ‘‘similar procedures’’
    referred to in section 213(d)(9)(A) are delimited only by the
    exceptions found in that provision and not the exceptions to
    the definition of cosmetic surgery found in section
    213(d)(9)(B). 10 That reading seems wrong: Does Judge Foley
    suggest that even ‘‘similar procedures’’ that ‘‘meaningfully
    promote the proper function of the body’’ and ‘‘prevent or
    treat illness or disease’’ are not deductible ‘‘medical care’’?
    That cannot be correct. As I noted earlier, if we infer the
    word ‘‘surgical’’ before the word ‘‘procedure’’ in the section
    213(d)(9)(B) definition of cosmetic surgery, then the term
    ‘‘other similar procedures’’ in section 213(d)(9)(A) is given
    meaning. I would argue that ‘‘other similar procedures’’
    refers to nonsurgical, appearance-enhancing procedures, such
    as hormone therapy, the deductibility of which is tested by
    applying first the exceptions in section 213(d)(9)(B), then
    those in section 213(d)(9)(A). Petitioner’s sex reassignment
    surgery is excluded from the class of ‘‘other similar proce-
    dures’’ principally because it is surgical. Her hormone
    therapy is excluded because, as the majority finds, it treats
    her disease.
    10 I assume that Judge Foley would concede that ‘‘other similar procedures’’, like cosmetic sur-
    gery, must be directed at improving appearance. If not, it is difficult to imagine what boundaries
    Congress had in mind for other ‘‘similar’’ procedures.
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    (34)                         O’DONNABHAIN v. COMMISSIONER                                          85
    E. Medical Necessity
    Without deciding whether section 213(d)(9) requires a
    showing of medical necessity, the majority nonetheless finds
    that petitioner’s sex reassignment surgery was medically nec-
    essary. Majority op. p. 74. Apparently, the majority is pre-
    paring for a perhaps different view of the statute by the
    Court of Appeals. Judge Holmes’ Brandeis brief 11 exhibits
    impressive scholarship, discussing much that is outside the
    record. We are a trial court, however, principally restricted
    to evidence presented, and arguments made, by the parties.
    See Snyder v. Commissioner, 
    93 T.C. 529
    , 531–535 (1989).
    On the record before us, and as argued by respondent, the
    majority’s finding is not clearly erroneous.
    HOLMES, J., concurring: On this record, for this taxpayer,
    and on the facts found by the Judge who heard this case, I
    agree with the majority’s conclusion—that O’Donnabhain can
    deduct the cost of her hormone therapy and sex-reassign-
    ment surgery, but not her breast-augmentation surgery. I
    also agree with the majority that GID is a mental disorder,
    and therefore a disease under section 213. But I disagree
    with the majority’s extensive analysis concluding that sex
    reassignment is the proper treatment—indeed, medically nec-
    essary at least in ‘‘severe’’ cases—for GID. It is not essential
    to the holding and drafts our Court into culture wars in
    which tax lawyers have heretofore claimed noncombatant
    status.
    11 A   Brandeis brief is:
    A brief, [usually] an appellate brief, that makes use of social and economic studies in addition
    to legal principles and citations. * * * The brief is named after Supreme Court Justice Louis
    D. Brandeis, who as an advocate filed the most famous such brief in Muller v. Oregon, 
    208 U.S. 412
    * * * (1908), in which he persuaded the Court to uphold a statute setting a maximum ten-
    hour workday for women.
    Black’s Law Dictionary 213 (9th ed. 2009); see Snyder v. Commissioner, 
    93 T.C. 529
    , 533–534
    (1989).
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    86                    134 UNITED STATES TAX COURT REPORTS                                         (34)
    I.
    A.
    What does it mean for a person born male to testify, as did
    O’Donnabhain, that ‘‘I was a female. The only way for me
    to—the only way for me to be the real person that I was in
    my mind was to have this surgery’’?
    This is not like saying ‘‘Lab tests show Vibrio cholerae, and
    therefore I have cholera’’, or ‘‘the X-ray shows a tumor in the
    lung and therefore I have lung cancer’’, or even ‘‘the patient
    reports that he is Napoleon and is being chased by the
    English’’, and therefore has schizophrenia.
    In the crash course on transsexualism that this case has
    forced on us, there are at least four approaches that those
    who’ve studied the phenomenon of such feelings have had.
    One response, curtly dismissed by the majority, is that this
    is a form of delusion:
    It is not obvious how this patient’s feeling that he is a woman trapped
    in a man’s body differs from the feeling of a patient with anorexia nervosa
    that she is obese despite her emaciated, cachectic state. We don’t do
    liposuction on anorexics. Why amputate the genitals of these poor men?
    Surely, the fault is in the mind and not the member.
    McHugh, ‘‘Psychiatric Misadventures’’, Am. Scholar 497, 503
    (1992). For such psychiatrists, gender follows sex, is a funda-
    mental part of human nature, and is not easily amenable to
    change. Those who take this view look at transsexual per-
    sons to uncover what they suspect are comorbidities—other
    things wrong with their patients that might explain the
    undoubtedly powerful feeling that they are wrongly sexed
    and whose treatment might alleviate the stress that it causes
    them.
    A second approach focuses on the notion of ‘‘feeling
    female.’’ What does this mean? The answer adopted by the
    majority and urged by O’Donnabhain is that this is a short-
    hand way of saying that a transsexual person’s gender (i.e.,
    characteristic way of feeling or behaving, and conventionally
    labeled either masculine or feminine) is strongly perceived by
    her as mismatched to her sex (i.e., biological characteris-
    tics). 1 This, too, is highly contested territory—gender being
    1 For   a longer discussion on the definitions of gender versus sex, see Meyer, ‘‘The Theory of
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           87
    thought by many, particularly feminists, to be entirely some-
    thing society imposes on individuals. To such theorists,
    transsexualism is likewise a social construct:
    The medical profession need not direct the gender dissatisfied to sur-
    gery. Counselling is possible to encourage clients to take a more political
    approach to their situation and to realize that they can rebel against the
    constraints of a prescribed gender role, and relate to their own sex in their
    native bodies.
    Jeffreys, ‘‘Transgender Activism: A Lesbian Feminist
    Perspective,’’ 1 J. Lesbian Stud. 55, 70 (1997) (suggesting SRS
    be proscribed as ‘‘crime against humanity’’); see also
    id. at 56
                                          (citing Raymond, The Transsexual Empire (Teachers College
    Press 1994)).
    Yet a third school of thought is that the origins of at least
    many (but not all) transsexual feelings—particularly those
    with extensive histories of secret transvestism—is that it’s
    not about gender, but about a particular kind of erotic
    attachment. See, e.g., Blanchard, ‘‘Typology of Male-to-
    Female Transsexualism,’’ 14 Archives Sexual Behav. 247
    (1985); Cohen-Kettenis & Gooren, ‘‘Transsexualism: A
    Review of Etiology, Diagnosis and Treatment,’’ 46 J. Psycho-
    somatic Res. 315, 321–22 (1999) (summarizing research);
    Lawrence, ‘‘Clinical and Theoretical Parallels Between Desire
    for Limb Amputation and Gender Identity Disorder,’’ 35
    Archives Sexual Behav. 263 (2006). Scholars of this school
    regard SRS as justified—not so much to cure a disease, but
    because SRS relieves suffering from an intense, innate, fixed,
    but otherwise unobtainable desire. See, e.g., Dreger, ‘‘The
    Controversy Surrounding The Man Who Would Be Queen: A
    Case History of the Politics of Science, Identity, and Sex in
    the Internet Age,’’ 37 Archives Sexual Behav. 366, 383–84
    (2008).
    These are all intensely contested viewpoints. The fourth
    and currently predominant view among those professionally
    involved in the field is the one urged by O’Donnabhain, and
    Gender Identity Disorders,’’ 30 J. Am. Psychoanalytic Assn. 381, 382 (1982) (‘‘Although the term
    ‘gender’ is sometimes used as a synonym for biological ‘sex,’ the two should be distinguished.
    Sex refers to the biology of maleness or femaleness, such as a 46,XY karyotype, testes, or a
    penis. Gender or gender identity is a psychological construct which refers to a basic sense of
    maleness or femaleness or a conviction that one is male or female. While gender is ordinarily
    consonant with biology, and so may appear to be a function of it, gender may be remarkably
    free from biological constraint. The sense that ‘I am a female’ in transsexualism, for example,
    may contrast starkly with a male habitus.’’)
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    88                 134 UNITED STATES TAX COURT REPORTS                                          (34)
    not effectively contested by the Commissioner: that the rea-
    son a transsexual person seeks SRS is to correct a particular
    type of birth defect—a mismatch between the person’s body
    and her gender identity. That mismatch has a name—GID—
    if not yet any clinically verifiable origin, and SRS (plus hor-
    mone therapy) is simply the correct treatment of the dis-
    order.
    I profess no expertise in weighing the merits of biodeter-
    minism, feminism, or any of the competing theories on this
    question. But the majority’s decision to devote significant
    analysis to the importance of characterizing GID as a disease,
    and SRS as its medically necessary treatment, pulls me into
    such matters to give context to the majority’s analysis.
    B.
    The majority relies heavily on the Benjamin standards to
    establish the proper diagnosis and treatment of GID. I cer-
    tainly agree that these standards express the consensus of
    WPATH—the organization that wrote them and has seen six
    revisions of them over the last 30 years. But the consensus
    of WPATH is not necessarily the consensus of the entire med-
    ical community. The membership of WPATH is limited, con-
    sisting of professionals that work with transsexual patients,
    including social workers, psychiatrists, and surgeons that
    perform SRS.
    The Commissioner’s expert, Dr. Schmidt, testified that the
    Benjamin standards are merely guidelines rather than true
    standards of care and that they enjoy only limited acceptance
    in American medicine generally. The majority cites several
    psychiatric textbooks that mention the Benjamin standards
    to refute Dr. Schmidt’s claim and as evidence of their general
    acceptance in the psychiatric profession. Majority op. note 45.
    But the textbooks treat the Benjamin standards as mere
    guidelines—which may or may not be followed—rather than
    clearly endorsing SRS. Let’s take a closer look at the
    excerpted language from each of the majority’s sources:
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    • ‘‘[The Benjamin standards] [provide] a valuable guide;’’
    • ‘‘[T]he patient may be considered for surgical reassign-
    ment;’’
    • ‘‘The [Benjamin standards of care] programme includes
    * * * possibly sex reassignment * * * patients * * * can be
    referred for surgery;’’
    • ‘‘[S]ex reassignment may be the best solution;’’ and
    • After noting that the treatment of gender identity dis-
    orders is ‘‘not as well-based on scientific evidence as some psy-
    chiatric disorders,’’ the cited text states that ‘‘[l]iving in the
    aspired-to gender role * * * enables one of three decisions: to
    abandon the quest, to simply live in this new role, or to pro-
    ceed with breast or genital surgery.’’
    See majority op. note 45 (all emphasis added and citations
    omitted). The textbooks do not say that SRS ‘‘should’’ or
    ‘‘must’’ be used as treatment for GID, but only that it ‘‘may’’
    or ‘‘can’’ be used. The members of WPATH certainly follow the
    Benjamin standards, but since they are merely a ‘‘guide’’ and
    ‘‘not as well-based on scientific evidence’’ as other psychiatric
    treatments, their general acceptance is questionable. The
    American Psychiatric Association’s practice guidelines—gen-
    erally accepted standards of care—make no mention of the
    Benjamin standards. 2 Even the Benjamin standards them-
    selves contain the following caveat in the introduction:
    All readers should be aware of the limitations of knowledge in this area
    and of the hope that some of the clinical uncertainties will be resolved in
    the future through scientific investigation.
    The Harry Benjamin International Gender Dysphoria
    Association’s Standards of Care for Gender Identity Dis-
    orders, Sixth Version 1 (2001).
    WPATH is also quite candid that it is an advocate for
    transsexual persons, and not just interested in studying or
    treating them. Its website includes a downloadable statement
    that can be sent to insurers or government agencies denying
    reimbursement or payment for surgery to those diagnosed
    with GID. WPATH, ‘‘WPATH Clarification on Medical Necessity
    of Treatment, Sex Reassignment, and Insurance Coverage in
    the U.S.A.,’’ (June 17, 2008), available at http://
    www.tgender.net/taw/WPATHMedNecofSRS.pdf (last visited
    2 See  APA,     Practice   Guidelines,    http://www.psych.org/MainMenu/PsychiatricPractice/
    PracticeGuidelinesl1.aspx (last visited Jan. 7, 2010).
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    90                 134 UNITED STATES TAX COURT REPORTS                                           (34)
    Jan. 7, 2010). But it also comprehensively addresses other
    problems it feels should be solved. For example,
    Genital reconstruction is not required for social gender recognition, and
    such surgery should not be a prerequisite for document or record changes
    * * *. Changes to documentation are important aids to social functioning,
    and are a necessary component of the pre-surgical process * * *.
    Id. at 2.
    Claims of medical necessity as they affect public-
    record rules at least suggest the possibility that WPATH is
    medicalizing its advocacy.
    And even WPATH’s method of identifying candidates for
    SRS—the method we describe and effectively endorse today—
    is very much contestable. A leading article (admittedly ten
    years old at this point, but still oft cited), concluded on this
    topic that ‘‘[u]nfortunately, studies evaluating the indispen-
    sability of components of the currently employed procedures
    are nonexistent.’’ Cohen-Kettenis & Gooren, supra at 325.
    II.
    The majority reasons that O’Donnabhain’s hormone
    therapy and SRS treat a disease, and so their costs are
    deductible expenses of medical care. It then adds a coda to
    the opinion holding that these treatments are ‘‘medically nec-
    essary.’’ Majority op. p. 76.
    A.
    The best way of framing the question of deductibility is to
    view the medical-expense provisions in the Code as creating
    a series of rules and exceptions. Section 262(a) creates a gen-
    eral rule that personal expenses are not deductible. Section
    213(a) and (d)(1) then creates an exception to the general
    rule for the expenses of medical care if they exceed a par-
    ticular percentage of adjusted gross income. Section 213(d)(9)
    then creates an exception to the exception for cosmetic sur-
    gery. And section 213(d)(9)(A) then creates a third-order
    exception restoring deductibility for certain types of cosmetic
    surgery.
    To show how this works in practice, consider reconstructive
    breast surgery after a mastectomy. This is a personal
    expense (i.e., not incurred for profit, in a trade or business,
    etc.). But such surgery affects a ‘‘structure of the body’’ under
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           91
    section 213(d)(1) and so is ‘‘medical care.’’ But it’s presump-
    tively ‘‘cosmetic surgery’’ under section 213(d)(9)(B) because,
    as reconstructive surgery, it is ‘‘directed at improving the
    patient’s appearance and does not meaningfully promote the
    proper function of the body or prevent or treat illness or dis-
    ease.’’ It is nevertheless deductible cosmetic surgery under
    section 213(d)(9)(A) because it is ‘‘necessary to ameliorate a
    deformity arising from, or directly related to, a * * * dis-
    figuring disease.’’
    I agree with the majority’s holding that O’Donnabhain’s
    GID is a disease. Until the collapse of psychiatry into the
    waiting arms of neurology is complete, courts must of neces-
    sity rely on the listing and classification of disorders in the
    DSM. 3 But once this point is made, we need not go further
    into a discussion of the proper standards of care or opine on
    their effectiveness. Our precedent, as the majority correctly
    points out, allows for the deductibility of treatments that are
    highly unlikely to survive rigorous scientific review. See, e.g.,
    Dickie v. Commissioner, T.C. Memo. 1999–138 (naturopathic
    cancer treatments); Tso v. Commissioner, T.C. Memo. 1980–
    399 (Navajo sings as cancer treatment); see also Rev. Rul.
    55–261, 1955–1 C.B. 307, 307 (services of Christian Science
    practitioners) (subsequent modifications irrelevant). The key
    question under section 213(d)(1) is whether the treatment is
    therapeutic to the individual involved. See Fischer v.
    Commissioner, 
    50 T.C. 164
    , 174 (1968).
    This is essentially a test looking to the good-faith, subjec-
    tive motivation of the taxpayer. There is no doubt that
    O’Donnabhain meets it with regard to her hormone therapy
    and SRS.
    3 The fluidity of changes in the DSM from edition to edition suggests that the nosology of men-
    tal disorders is far from being as precise as, for example, the nosology of diseases caused by
    bacteria or vitamin deficiencies. I’m therefore somewhat sympathetic to, if ultimately
    unpersuaded by (because of the great weight of precedent), the Commissioner’s effort to change
    our interpretation of ‘‘disease’’ in section 213 to mean only maladies with a demonstrated or-
    ganic cause.
    I must, however, note the Commissioner’s alternative argument that ‘‘negative myths and ig-
    norance that permeate social thinking in the United States regarding transgendered persons’’
    and the ‘‘many laws and legal situations [that] are highly discriminatory for persons with GID’’
    mean that the ‘‘suffering experienced by GID patients is primarily inflicted by an intolerant soci-
    ety.’’ Resp. Br. at 172–73. (At least compared to the ‘‘elevated status’’ of the Berdache in some
    Native American cultures, the Kathoey in Thailand, the Indian Hijra, and the Fa’afafine in the
    South Pacific, as the Commissioner anthropologically concludes.
    Id. at 175.)
    It is not effective
    advocacy to denigrate the people whose government one is representing.
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    92                 134 UNITED STATES TAX COURT REPORTS                                          (34)
    B.
    1. It is the majority’s next step in the analysis—its reading
    of the definition of cosmetic surgery in section 213(d)(9)(B)—
    that I cannot join. If it had reasoned simply that to ‘‘treat’’
    illness in section 213(d)(9)(B) meant the same low standard
    that it does in section 213(d)(1)—a subjective good-faith
    therapeutic intent on the part of the patient—and stopped,
    we wouldn’t be doing anything controversial. In the absence
    of any regulation, there would be no reason to demur,
    because as the majority carefully points out, the phrase
    ‘‘medical necessity’’ is nowhere in the Code. Majority op. p.
    74. Nor of course is medical necessity consistent with the lib-
    eral construction of section 213 both by us and by the IRS.
    (The deductibility of Navajo sings and Christian Science
    prayer did not depend on their medical necessity.) The
    phrase occurs in only one place, in what is not even the most
    relevant legislative history. Majority op. note 54.
    That should have been enough to dispense with the
    Commissioner’s argument on this point. But the majority
    tacks on an extra section onto its opinion concluding that SRS
    and hormone therapy for transsexual persons are ‘‘medically
    necessary.’’ Avoidance would have been the sounder course,
    because ‘‘medically necessary’’ is a loaded phrase. Construing
    it puts us squarely, and unnecessarily, in the middle of a
    serious fight within the relevant scientific community, and
    the larger battle among those who are deeply concerned with
    the proper response to transsexual persons’ desires for exten-
    sive and expensive surgeries.
    As the majority thoroughly explains, the theory that SRS is
    the best—and perhaps the only—treatment for GID has been
    extensively promoted. Dr. Brown, O’Donnabhain’s expert wit-
    ness, summed up the theory—SRS is medically necessary to
    ‘‘cure or mitigate the distress and maladaption caused by
    GID.’’ Majority op. p. 43. For governments or insurers to
    exclude coverage thus becomes perceived as discrimination or
    an unjust deference to stereotypes of transsexual persons.
    Acceptance of SRS as medically necessary has become a cause
    not only for those with GID, but for a wider coalition as well.
    See 
    Jeffreys, supra
    .
    Our discussion of the science is, though, weak even by the
    low standards expected of lawyers. Tucked into a footnote is
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           93
    our opinion on the relative merits of the scientific conclusions
    of Dr. Brown (O’Donnabhain’s witness in favor of the medical
    necessity of SRS) and Dr. Schmidt (the Commissioner’s wit-
    ness who was opposed). Majority op. note 56. The reasoning
    in that footnote in favor of Dr. Brown’s opinion is that he is
    more widely published than Dr. Schmidt. But Dr. Schmidt
    was chair of the Sexual Disorders Work Group that drafted
    part of the DSM–IV on which the majority relies, and is a
    longtime psychiatry professor at Johns Hopkins and a
    founder of its Sexual Behavior Consultation Unit. (I think it
    fair to take judicial notice that Johns Hopkins is a well-
    regarded medical institution.)
    The majority also criticizes Dr. Schmidt for citing a reli-
    gious publication. See majority op. note 47. It’s true that one
    of the sources Dr. Schmidt cited was an article by the former
    chairman of Johns Hopkins’ Psychiatry Department in First
    Things. But it is inadequate, if we’re going to weigh in on
    this debate, to imply that Johns Hopkins’ conclusion was
    based merely on an essay in ‘‘a religious publication.’’
    First Things, like Commentary and a host of other general-
    interest but serious periodicals, seeks out the small subset of
    specialists who can write well. 4 Essays by such people don’t
    aspire to be original research, but they are often based on
    original research. And so was the First Things article by Dr.
    McHugh, which summarized the research of a third member
    of the Hopkins Psychiatry Department, Dr. Jon Meyer.
    Meyer & Reter, ‘‘Sex Reassignment,’’ 36 Archives Gen.
    Psychiatry 1010 (1979). In the study, Dr. Meyer followed up
    with former Johns Hopkins Gender Identity Clinic patients.
    Unlike authors of previous studies, Meyer included both
    unoperated GID patients and post-SRS patients in his study—
    allowing him to compare the well-being of the operated and
    unoperated patients. Using patient interviews, he issued ini-
    tial and followup adjustment scores for both the operated and
    unoperated patients. Both the operated and unoperated sub-
    jects’ mean scores improved after the followup period, but
    there was no significant difference between the improvement
    4 It is not quite accurate to label First Things, any more than Commentary, a ‘‘religious publi-
    cation’’ given the breadth of the subject matter and lack of sectarian slant in what it publishes.
    Dr. Schmidt could’ve just as easily cited the same conclusion by the same author in an essay
    in The American Scholar. McHugh, ‘‘Psychiatric Misadventures,’’ Am. Scholar 497 (1992). (The
    American Scholar is ‘‘untainted’’ by any connection with religion.)
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    94                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    of each group. The operated group failed to demonstrate clear
    objective superiority over the unoperated group—in other
    words, SRS didn’t provide any objective improvement to the
    GID patients.
    There are numerous other clues that the picture of sci-
    entific consensus that the majority presents is not quite
    right. Consider where the surgeries are currently performed.
    SRS was for many years primarily undertaken in research
    hospitals that had ‘‘gender identity clinics.’’ 5 These clinics
    would conduct research on SRS and evaluate its effectiveness.
    Johns Hopkins, under the leadership of Dr. John Money, 6
    opened the first U.S. gender identity clinic in 1965. Money
    & Schwartz, ‘‘Public Opinion and Social Issues in
    Transsexualism: A Case Study in Medical Sociology,’’ in
    Transsexualism and Sex Reassignment 253 (Green & Money
    eds., 1969). After Johns Hopkins took the lead, other univer-
    sity-based clinics jumped at the opportunity to research
    transsexualism and perform SRS. 7 But the first research
    clinic to perform and study SRS was also the first to cut it
    off. The Meyer study had found no significant difference in
    adjustment between those who had SRS and those who didn’t,
    and in light of that study Johns Hopkins announced in 1979
    that it would no longer perform SRS. ‘‘No Surgery for
    Transsexuals,’’ Newsweek, Aug. 27, 1979, at 72. After the
    Hopkins clinic closed, the other university-based clinics
    either closed or ended their university affiliations. 
    Denny, supra
    . Stanford, for example, in 1980 spun off its university-
    affiliated clinic to a private center that performed SRS but
    didn’t conduct research. Levy, ‘‘Two Transsexuals Reflect on
    University’s Pioneering Gender Dysphoria Program,’’ Stan-
    ford Rep., May 3, 2000.
    5 For an overview of the gender clinics, see Denny, ‘‘The University-Affiliated Gender Clinics,
    and How They Failed to Meet the Needs of Transsexual People,’’ Transgender Tapestry #098,
    Summer 2002, available at http://www.ifge.org/Article59.phtml (last visited Jan. 7, 2010).
    6 Dr.   Money     was    extremely     influential   in   gender     identity    studies.   See
    Witte, ‘‘John Money; Helped Create Studies on Gender Identity,’’ Associated Press,
    July 10, 2006, available at http://www.boston.com/news/globe/obituaries/articles/2006/07/10/
    johnlmoneylhelpedlcreatelstudieslonlgenderlidentity/ (last visited Jan. 7, 2010). But
    there is now a consensus that some of his most noteworthy work was unethical, and in some
    respects fraudulent. See Colapinto, ‘‘The True Story of John/Joan,’’ Rolling Stone, Dec. 11, 1997,
    at 54; Kipnis & Diamond, ‘‘Pediatric Ethics and the Surgical Assignment of Sex,’’ 9 J. Clinical
    Ethics 398 (Winter 1998).
    7 The University of Minnesota, UCLA, Vanderbilt, UVA, Stanford, and Duke were among the
    more prominent university-based gender identity clinics conducting research. 
    Denny, supra
    note
    5.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           95
    Eventually, all university-based research clinics stopped
    the practice of SRS. 8
    Id. Today, SRS in
    the United States is
    primarily the purview of a few boutique surgery practices.
    While     such     surgeons—including     O’Donnabhain’s—are
    undoubtedly skilled in their art, they do not have the
    capacity to conduct research on the medical necessity of SRS
    like the research hospitals. Their practices use the Benjamin
    standards, but do not seem to conduct peer-reviewed studies
    of their efficacy.
    It is true that the Meyer piece has been the subject of
    lively controversy, 9 but it is certainly the case that it
    prompted Hopkins to get out of the SRS business; and over
    the next few years every other teaching hospital also left the
    field. 
    Denny, supra
    . If we needed to opine on the medical
    necessity of SRS, some sensitivity to that academic con-
    troversy, particularly the problem of how to set up a proxy
    control group for those undergoing sex reassignment, as well
    as some sensitivity to defining and measuring the effective-
    ness of surgery, would have to be shown. I do not believe we
    should have addressed the issue. 10
    2. There is, however, a related cluster of problems that
    judges and lawyers have had to solve—questions of the med-
    ical necessity of SRS in:
    • Eighth Amendment prisoner cases;
    • ERISA litigation; and
    • Medicaid and Medicare reimbursement.
    8 Some research hospitals, Stanford among them, will perform SRS on a referral basis—but
    the clinical research on SRS at these hospitals has been shut down. Levy, ‘‘Two Transsexuals
    Reflect on University’s Pioneering Gender Dysphoria Program,’’ Stanford Rep., May 3, 2000.
    9 There has been at least one study that reached a different conclusion using a somewhat simi-
    lar methodology. See Mate-Kole et al., ‘‘A Controlled Study of Psychological and Social Change
    After Surgical Gender Reassignment in Selected Male Transsexuals,’’ 157 Brit. J. Psychiatr. 261
    (1990). There have also been numerous studies without controls (or the sort of quasi-controls
    that Meyer used) that report transsexual persons generally satisfied with the results of SRS.
    Such studies are as problematic as would be drug studies without double-blind control groups.
    The question is further complicated by the possibility that different types of transsexuals, see
    Blanchard, ‘‘Typology of Male-to-Female Transsexualism,’’ 14 Archives Sexual Behav. 247
    (1985), will experience different outcomes; as might female-to-male transsexuals compared to
    male-to-female transsexuals. See generally Cohen-Kettenis & Gooren, supra at 326–28.
    My point is not to pick Meyer over Mate-Kole, but only to suggest the problem is much more
    complicated than the majority lets on. It is certainly beyond the competence of tax judges.
    10 The feelings on both sides may cause the controversy to slip out of science altogether and
    land in the politics of the APA as it prepares the next edition of the DSM. See Carey, ‘‘Psychia-
    try’s Struggle to Revise the Book of Human Troubles,’’ N.Y. Times, Dec. 18, 2008, at A1 (describ-
    ing petition campaigns to affect membership of drafting group, and disputes among
    transgendered persons about whether GID should even be classified as a disorder).
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    96                 134 UNITED STATES TAX COURT REPORTS                                         (34)
    The majority correctly cites the decisions of seven circuit
    courts that have concluded GID constitutes a ‘‘serious medical
    need’’ for purposes of the Eighth Amendment. Majority op. p.
    62. While confirming that GID is a ‘‘profound psychiatric dis-
    order,’’ see, e.g., Maggert v. Hanks, 
    131 F.3d 670
    , 671 (7th
    Cir. 1997), no circuit court has in this area held that SRS—
    or even the less-invasive hormone therapy—is a ‘‘medically
    necessary’’ treatment for GID. At least one has even empha-
    sized that there is no right to ‘‘any particular type of treat-
    ment, such as estrogen therapy.’’ Meriwether v. Faulkner,
    
    821 F.2d 408
    , 413 (7th Cir. 1987) (citing Supre v. Ricketts,
    
    792 F.2d 958
    (10th Cir. 1986), in which the court refused to
    hold that a prison’s decision not to provide a self-injuring
    prisoner with estrogen violated the Eighth Amendment as
    long as some form of treatment for GID was provided); Lamb
    v. Maschner, 
    633 F. Supp. 351
    (D. Kan. 1986) (finding prison
    officials were not constitutionally required to provide pris-
    oner with specific treatment requested of hormones and SRS).
    Judge Posner’s summary of the GID-prisoner cases is instruc-
    tive:
    Does it follow that prisons have a duty to administer (if the prisoner
    requests it) * * * [SRS] to a prisoner who unlike Maggert is diagnosed as
    a genuine transsexual? The cases do not answer ‘‘yes,’’ but they make the
    question easier than it really is by saying that the choice of treatment is
    up to the prison. The implication is that less drastic (and, not incidentally,
    less costly) treatments are available for this condition. * * *
    
    Maggert, 131 F.3d at 671
    (citations omitted).
    The medical necessity of SRS shows up in ERISA litigation
    as well. See, e.g., Mario v. P & C Food Mkts., Inc., 
    313 F.3d 758
    (2d Cir. 2002). Mario, a female-to-male transsexual, sued
    for reimbursement of the cost of his sex-reassignment sur-
    gery from his employer’s ERISA-governed health insurance
    plan. The plan administrator denied his claim for lack of
    medical necessity based on an investigation that included the
    following:
    [r]esearch on the issue of transsexualism, inquiry into the policies of other
    employers and insurance carriers concerning coverage of gender reassign-
    ment procedures, consultation with medical centers having specialized
    knowledge of transsexualism and sexual reassignment surgeries, and con-
    sultation with medical personnel employed by [the plan administrator],
    including a psychiatrist retained by [the plan administrator], Dr. Ivan
    Fras. Dr. Fras opined that the surgical removal of healthy organs, for no
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                            97
    purpose other than gender dysphoria, would fall into the category of cos-
    metic surgery, and would therefore not be ‘‘medically necessary.’’ On the
    basis of her investigation, * * * [the plan administrator employee] con-
    cluded that there was substantial disagreement in the medical community
    about whether gender dysphoria was a legitimate illness and uncertainty
    as to the efficacy of reassignment surgery. * * *
    Id. at 765–66.
    The plan administrator’s SRS-lacks-medical-
    necessity conclusion survived de novo review by the Second
    Circuit.
    Medicare’s administrator—The Centers for Medicare and
    Medicaid Services—has weighed in on the issue by denying
    reimbursement for SRS on the following basis: 11
    Because of the lack of well controlled, long term studies of the safety and
    effectiveness of the surgical procedures and attendant therapies for
    transsexualism, the treatment is considered experimental. Moreover, there
    is a high rate of serious complications of these surgical procedures. For
    these reasons, transsexual surgery is not covered.
    54 Fed. Reg. 34572 (Aug. 21, 1989).
    The legal issues presented in each of these clusters of cases
    differ from the legal question—are O’Donnabhain’s proce-
    dures deductible under section 213?—that we face in this
    case, but I think they illustrate the majority’s overreach in
    finding SRS ‘‘medically necessary.’’
    III.
    I do not think that highlighting what I think is the incor-
    rect interpretation of the Code by the majority is enough.
    O’Donnobhain carefully argued in the alternative, and it is to
    those alternative arguments that I now turn.
    A.
    I start back at the beginning with section 213(d)(1)(A),
    which defines ‘‘medical care’’ to include not just amounts
    11 Some cases hold that states cannot categorically exclude sex-change operations from Med-
    icaid coverage. Pinneke v. Preisser, 
    623 F.2d 546
    , 549–550 (8th Cir. 1980); J.D. v. Lackner, 
    145 Cal. Rptr. 570
    (Ct. App. 1978); G.B. v. Lackner, 
    145 Cal. Rptr. 555
    (Ct. App. 1978); Doe v. Minn.
    Dept. of Pub. Welfare, 
    257 N.W.2d 816
    (Minn. 1977). Over time, these decisions have been over-
    taken by regulation or statute. See, e.g., Smith v. Rasmussen, 
    249 F.3d 755
    , 760–61 (8th Cir.
    2001) (upholding regulation overturning Pinneke as reasonable).
    Until recently, Minnesota was the only state in which Medicaid paid for SRS. Price, ‘‘Min-
    nesota Using Medicaid Funding to Pay for Sex-Change Operations,’’ Wash. Times, Feb. 4, 1996,
    at A4. But four years ago, it joined the rest of the states. Minn. Stat. Ann. sec. 256B.0625 subd.
    3a (West 2007).
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    98                 134 UNITED STATES TAX COURT REPORTS                                          (34)
    paid for the ‘‘diagnosis, cure, mitigation, treatment, or
    prevention or disease,’’ but also amounts paid ‘‘for the pur-
    pose of affecting any structure or function of the body.’’ The
    Commissioner actually stipulated that all three procedures
    O’Donnabhain received that are at issue here—hormone
    treatment, SRS, and breast augmentation—meet this alter-
    nate definition of ‘‘medical care.’’ 12
    This should have obviated the need to wade into the dis-
    putes about classification, etiology, and diagnosis of
    O’Donnabhain’s GID. The majority does cite one sentence
    from the applicable regulation for the proposition that med-
    ical care is confined to expenses ‘‘ ‘incurred primarily for the
    prevention or alleviation of a physical or mental defect or ill-
    ness.’ ’’ Majority op. p. 65 (quoting section 1.213–1(e)(1)(ii),
    Income Tax Regs.). But that sentence doesn’t apply to the
    second type of medical care—lest it be somehow read to over-
    turn even the IRS’s settled opinion that procedures as diverse
    as abortion, Rev. Rul. 73–201, 1973–1 C.B. 140, vasectomies
    , id., and face lifts,
    Rev. Rul. 76–332, 1976–2 C.B. 81, qualify
    as ‘‘medical care’’ because they affect a structure or function
    of the body. (That’s what the first sentence of section 1.213–
    1(e)(1)(ii), Income Tax Regs., says. 13)
    There is therefore little doubt that the expenses
    O’Donnabhain incurred qualify as medical care under section
    213(d)(1)(A). But are they nondeductible ‘‘cosmetic surgery?’’
    B.
    Under section 213(d)(9)(B), it is a necessary condition for
    characterization as ‘‘cosmetic surgery’’ that a procedure be
    ‘‘directed   at   improving    the    patient’s  appearance.’’
    O’Donnabhain urges us to find that her procedures were
    directed at resolving or reducing the psychological distress at
    feeling herself trapped in a body of the wrong sex. The
    Commissioner says that may be true, but the procedures
    involved obviously changed her appearance.
    12 Here’s what the Commissioner stipulated: ‘‘Petitioner’s sex reassignment surgery affected
    structures or functions of petitioner’s body;’’ ‘‘Petitioner’s prescription hormone therapy affected
    structures or functions of petitioner’s body;’’ and ‘‘Petitioner’s breast augmentation surgery af-
    fected structures or functions of petitioner’s body.’’
    13 The sentence quoted by the majority is, in context, aimed at distinguishing expenses aimed
    directly, rather then remotely, at preventing or alleviating illness. It is immediately followed by
    a list of expenses that are per se medical-care expenses, and which includes surgery and pre-
    scription drugs (like hormones) that O’Donnabhain received.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           99
    There is no regulation helping us to apply this language;
    we need to use the traditional judicial tools to do so. This
    first requires us to parse the meaning of ‘‘directed at’’ and
    ‘‘improving’’. ‘‘Directed at’’ as a phrase is nowhere else in the
    Code and is not a specialized legal or tax term, but it has a
    common meaning of ‘‘focused at,’’ or ‘‘concentrating on.’’
    ‘‘Improving’’ is likewise a word in ordinary use, meaning ‘‘to
    enhance,’’ or ‘‘make more desirable.’’ Webster’s Third New
    International Dictionary (1961).
    The legislative history of the provision, which the majority
    quotes, lists some of the procedures that Congress aimed at
    including in the presumptively nondeductible category:
    under the provision, procedures such as hair removal electrolysis, hair
    transplants, lyposuction [sic], and facelift operations generally are not
    deductible. In contrast, expenses for procedures that are medically nec-
    essary to promote the proper function of the body and only incidentally
    affect the patient’s appearance or expenses for the treatment of a dis-
    figuring condition arising from a congenital abnormality, personal injury
    or trauma, or disease (such as reconstructive surgery following removal of
    a malignancy) continue to be deductible * * *.
    Majority op. note 27. The list isn’t in the Code itself, so it’s
    not quite right to hold we must apply the maxim of ejusdem
    generis, but it is helpful in suggesting the meaning of the key
    words that did make it into law. Without more specific guid-
    ance from the Secretary in the form of a regulation, I would
    conclude that ‘‘directed at improving’’ reflects two concepts.
    The first is that the subjective motivation of the patient (his
    ‘‘focus’’) is important, and it is his primary motivation that
    is most important. The second is that the notion of
    ‘‘improving’’ suggests a baseline from which something is
    improved—all the procedures in the committee’s list are
    those commonly recognized by the average observer in our
    society as improving appearance in a way that a biological
    man’s taking female hormones and undergoing extensive
    genital surgery do not. (I also concur with the majority that
    the breast surgery did not ‘‘treat disease.’’)
    I therefore end up in the same place as the majority.
    O’Donnabhain’s hormone treatment and SRS established a
    biological baseline of a new sexual appearance for her. It
    was, of course, foreseeable, and she intended, to change her
    appearance. But I also agree with her (as the majority does)
    that her purpose was to relieve the pathological anxiety or
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    100                134 UNITED STATES TAX COURT REPORTS                                         (34)
    distress at being biologically male (or, alternatively, at not
    feeling masculine). Majority op. note 52. Hormones and SRS
    are, I would hold as a general matter in such cases, directed
    at treating GID in this sense and do not so much improve
    appearance as create a new one.
    But the breast-augmentation surgery is different.
    O’Donnabhain’s new baseline having been established
    through hormones, I would hold that that surgery was
    directed at improving—in the sense of focused on changing
    what she already had—her already radically altered appear-
    ance. Denying the deduction for this procedure while
    allowing it for the hormones and SRS also seems a reasonable
    distinction—breast surgery is likely one of the commonest
    types of cosmetic surgery and (if not undergone after cancer
    surgery or trauma or the like) highly likely to be within the
    common public meaning of that phrase.
    That leaves only the question of whether O’Donnabhain’s
    breast-augmentation surgery meets one of the exceptions to
    the nondeductibility of cosmetic surgery listed in subsection
    (d)(9)(A). This is easy—O’Donnabhain never argued her
    breasts were deformed by ‘‘a congenital abnormality, a per-
    sonal injury resulting from an accident or trauma, or dis-
    figuring disease.’’
    I therefore respectfully concur with majority’s result, if not
    its reasoning.
    GOEKE, J., agrees with this concurring opinion.
    GOEKE, J., concurring in the result only: Although I concur
    in the result reached by the majority, I respectfully disagree
    with the majority’s analysis of section 213.
    ‘‘Whether and to what extent deductions shall be allowed
    depends upon legislative grace; and only as there is clear
    provision therefor can any particular deduction be allowed.’’
    New Colonial Ice Co. v. Helvering, 
    292 U.S. 435
    , 440 (1934).
    As a general rule, ‘‘personal, living, or family expenses’’ are
    not deductible. Sec. 262. As an exception to that general rule
    petitioner relies on section 213, which allows a deduction for
    ‘‘expenses paid * * * for medical care’’. Section 213(d)(1)(A)
    defines deductible ‘‘medical care’’ to include ‘‘the diagnosis,
    cure, mitigation, treatment, or prevention of disease, or for
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           101
    the purpose of affecting any structure or function of the
    body’’. We have consistently construed the medical expense
    deduction ‘‘narrowly’’ for over 40 years. Atkinson v. Commis-
    sioner, 
    44 T.C. 39
    , 49 (1965); Magdalin v. Commissioner, T.C.
    Memo. 2008–293. This case turns on whether petitioner’s
    claimed deductions are barred by the exclusion in section
    213(d)(9). If medical deductions are construed narrowly, it
    follows that statutory exclusions from medical deduction
    should be construed broadly.
    This case presents the question whether the cost of surgery
    to alter nondisfigured, healthy tissue is deductible when the
    surgery is performed to address a mental disorder or disease.
    Section 213(d)(9) provides:
    (9) COSMETIC SURGERY.—
    (A) IN GENERAL.—The term ‘‘medical care’’ does not include cosmetic
    surgery or other similar procedures, unless the surgery or procedure is
    necessary to ameliorate a deformity arising from, or directly related to,
    a congenital abnormality, a personal injury resulting from an accident
    or trauma, or disfiguring disease.
    (B) COSMETIC SURGERY DEFINED.—For purposes of this paragraph, the
    term ‘‘cosmetic surgery’’ means any procedure which is directed at
    improving the patient’s appearance and does not meaningfully promote
    the proper function of the body or prevent or treat illness or disease.
    The majority opinion relies on two of the last four words
    to the exclusion of the rest of section 213(d)(9)(B) in allowing
    a deduction for petitioner’s genital surgery by concluding
    that petitioner suffered from a ‘‘disease’’ and that the genital
    surgery in question ‘‘[treated]’’ that disease.
    The definition of ‘‘cosmetic surgery’’ in subparagraph (B)
    begins with surgery ‘‘directed at improving the patient’s
    appearance’’. The transformation of petitioner’s genitals was
    not directed at improving petitioner’s appearance but rather
    was functional. The authorities cited in the majority opinion
    for the proposition that genital surgery to treat GID is not
    cosmetic surgery support this conclusion. See, e.g., White v.
    Farrier, 
    849 F.2d 322
    (8th Cir. 1988). Given the factual
    findings supporting the medical purpose of such surgery, it
    is therefore deductible as medical care under section 213(a)
    and is not excluded by section 213(d)(9) because it is not cos-
    metic surgery. On that basis I concur in the majority’s
    allowing petitioner a deduction for genital surgery.
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    102                134 UNITED STATES TAX COURT REPORTS                                         (34)
    Having concluded that petitioner’s genital surgery is not
    cosmetic, I would reject the notion that it is nevertheless
    excluded as a ‘‘similar [procedure]’’ under section
    213(d)(9)(A). Such a reading would negate the import of the
    definition of cosmetic surgery in subparagraph (B). Rather, I
    believe ‘‘similar procedures’’ in subparagraph (A) refers to
    procedures directed at improving appearance that are not
    necessarily considered surgical. Accordingly, petitioner’s hor-
    mone therapy is not a similar procedure under section
    213(d)(9)(A) because it was in support of petitioner’s genital
    surgery and was not directed at improving petitioner’s
    appearance. On the other hand, Botox injections would be an
    example of a similar procedure in my view.
    I disagree with the majority opinion because it leaves open
    the possibility that expenses for surgery directed solely at
    altering physical appearance may nevertheless be deductible
    if it is intended to alleviate mental pain and suffering. I do
    not read the word ‘‘treat’’ in the context of section
    213(d)(9)(B) to include physically altering a patient’s appear-
    ance to relieve extreme mental distress. Therefore, I would
    hold that the breast surgery is excluded ‘‘cosmetic surgery’’
    under section 213(d)(9) as a matter of law, and to this extent
    I agree with Judge Gustafson’s concurring in part and dis-
    senting in part opinion.
    I would read the statute in conformity with the legislative
    history. I believe that the word ‘‘treat’’ in the context of the
    cosmetic surgery exclusion implies that for expenses for any
    procedure to be deductible, the procedure must address a
    physically related malady. If surgery to relieve mental suf-
    fering without a physical nexus is deductible, a line is
    crossed from physical to mental treatment. A court should
    not cross that line in applying section 213. Any expansion of
    the medical expense deduction should be addressed by Con-
    gress because it is not clear that surgery which does not
    address a physical condition is deductible under section
    213(d)(9).
    The majority holds that the line on deductibility for mental
    conditions has been crossed in general and that evolving
    mental diagnoses are considered diseases for purposes of sec-
    tion 213(d)(1)(A). I think this argument overlooks the nature
    of the exclusion in paragraph (9). The standard for deduct-
    ibility under section 213(d)(1)(A) is inherently more generous
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           103
    than that in subsection (d)(9). Congress enacted section
    213(d)(9) in response to IRS interpretations of ‘‘medical care’’
    as including procedures that permanently altered any struc-
    ture of the body even if the procedure was considered to be
    an elective, purely cosmetic treatment. As the majority points
    out, majority op. note 27, the impetus for section 213(d)(9)
    was the Senate. The Senate Finance Committee report
    stated:
    under the provision, procedures such as hair removal electrolysis, hair
    transplants, lyposuction [sic], and facelift operations generally are not
    deductible. In contrast, expenses for procedures that are medically nec-
    essary to promote the proper function of the body and only incidentally
    affect the patient’s appearance or expenses for the treatment of a dis-
    figuring condition arising from a congenital abnormality, personal injury
    or trauma, or disease (such as reconstructive surgery following removal of
    a malignancy) continue to be deductible * * *.
    There is no indication that the exclusion of surgery directed
    at improving appearance omits surgery related to helping a
    person feel differently about himself or herself even if such
    a change in feelings relieves mental suffering. The above-
    quoted language from the Senate Finance Committee report
    indicates that Congress intended to allow deductions only for
    cosmetic surgery to correct physical maladies resulting from
    disease or physical disfigurement, as opposed to cosmetic sur-
    gery on healthy tissue. The report uses ‘‘malignancy’’ as an
    example of a disease which can cause a deformity requiring
    cosmetic surgery which would be deductible.
    Accepting that the alteration of physical appearance can be
    a remedy to address a mental illness, the question remains
    whether deductions for such treatment are barred by a spe-
    cific legislative mandate. I would hold that the breast sur-
    gery in this case is not medically necessary as that term is
    applied in deciding whether an expense is excluded under
    section 213(d)(9). The nuances of feminine appearance are
    virtually without bounds, and expenses for efforts to conform
    petitioner’s entire body to a feminine ideal are indistinguish-
    able from excluded expenses regardless of petitioner’s mental
    health.
    In other contexts there is little question that deductions for
    breast augmentation or facial reconstruction surgery apart
    from physical disease or disfigurement or physical abnor-
    mality would be barred by section 213(d)(9). The issue is
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    104                134 UNITED STATES TAX COURT REPORTS                                         (34)
    whether Congress intended to allow deductions for those sur-
    geries if done to relieve a mental disease or illness. I remain
    unconvinced that Congress intended to permit deductions for
    such surgery directed at appearance and not directed at
    physical disfigurement or physical dysfunction or physical
    disease. To accept that deductibility is possible under dif-
    ferent facts is to entertain that all forms of cosmetic surgery
    will be deductible medical expenses if the surgery addresses
    or relieves mental suffering caused by a recognized mental
    disorder. I do not agree that the statute read in its entirety
    permits such deduction.
    HOLMES, J., agrees with this concurring in the result only
    opinion.
    FOLEY, J., concurring in part 1 and dissenting in part: Pre-
    occupied with establishing whether gender identification dis-
    order (GID) is a disease, respondent and the majority fail to
    correctly explicate and apply the statute. In allowing deduc-
    tions relating to petitioner’s expenses, the majority has per-
    formed, on congressional intent, interpretive surgery even
    more extensive than the surgical procedures at issue—and
    respondent has dutifully assisted. This judicial trans-
    formation of section 213(d)(9) is more than cosmetic.
    I. The Majority Does Not Adhere to the Plain Language of
    Section 213(d)(9)
    Section 213(d) provides in part:
    (9) COSMETIC SURGERY.—
    (A) IN GENERAL.—The term ‘‘medical care’’ does not include cosmetic
    surgery or other similar procedures, unless the surgery or procedure is
    necessary to ameliorate a deformity arising from, or directly related to,
    a congenital abnormality, a personal injury resulting from an accident
    or trauma, or disfiguring disease.
    (B) COSMETIC SURGERY DEFINED.—For purposes of this paragraph, the
    term ‘‘cosmetic surgery’’ means any procedure which is directed at
    improving the patient’s appearance and does not meaningfully promote
    the proper function of the body or prevent or treat illness or disease.
    [Emphasis added.]
    1 I concur with the majority’s conclusion that petitioner’s breast augmentation surgery is ‘‘cos-
    metic surgery’’ but disagree with the majority’s reasoning (i.e., conclusion that failure to strictly
    adhere to the Benjamin standards constitutes failure to ‘‘treat’’ gender identification disorder)
    and interpretation of the statute.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           105
    The majority states that section 213(d)(9)(B) ‘‘excludes from
    the definition any procedure’’ (emphasis added) that pro-
    motes bodily function or treats a disease. See majority op. p.
    52. The statutory definition, however, prescribes what is
    included, not excluded, from the definition of cosmetic sur-
    gery. The statute sets forth a two-part test: a procedure is
    cosmetic surgery if it (1) is directed at improving appearance
    and (2) does not meaningfully promote proper bodily function
    or 2 prevent or treat illness or disease. Part two of the test
    is disjunctive, not conjunctive. A procedure ‘‘directed at
    improving the patient’s appearance’’ is cosmetic surgery if it
    either does not ‘‘meaningfully promote the proper function of
    the body’’ or does not ‘‘prevent or treat illness or disease.’’
    Thus, if petitioner’s procedures are ‘‘directed at improving
    * * * appearance’’ and ‘‘[do] not meaningfully promote the
    proper function of the body’’, they are cosmetic surgery with-
    out regard to whether they treat a disease. The majority does
    not address either of these prongs but, instead, asserts that
    these prongs are irrelevant if the procedures treat a disease.
    See majority op. note 30.
    The majority’s analysis proceeds as if the statute employs
    ‘‘and’’ rather than ‘‘or’’ between the ‘‘meaningfully promote
    the proper function of the body’’ and ‘‘prevent or treat illness
    or disease’’ prongs. Respondent appears to agree with this
    interpretation in lieu of a plain reading of the statute. In
    essence, the majority and respondent engage in reconstruc-
    tion, rather than strict construction, of section 213(d)(9).
    According to their interpretation, a procedure will be treated
    as cosmetic surgery only if it meets all three prongs (i.e., it
    is directed at improving appearance, does not promote proper
    bodily function, and does not prevent or treat illness or dis-
    ease).
    Simply put, the fact that a procedure treats a disease is
    not sufficient to exclude the procedure from the definition of
    ‘‘cosmetic surgery’’. Indeed, to adopt the majority’s reasoning
    and its accompanying conclusion the Court must ignore that
    Congress in section 213(d)(9)(A) specifically provides that the
    term ‘‘medical care’’ will include ‘‘cosmetic surgery or other
    2 While ‘‘use of the conjunctive ‘and’ in a list means that all of the listed requirements must
    be satisfied * * * use of the disjunctive ‘or’ means that only one of the listed requirements need
    be satisfied.’’ Kim, Statutory Interpretation: General Principles and Recent Trends 8 (CRS Re-
    port for Congress, updated Aug. 31, 2008).
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    106                134 UNITED STATES TAX COURT REPORTS                                         (34)
    similar procedures’’ if the ‘‘surgery or procedure is necessary
    to ameliorate a deformity arising from, or directly related to,
    a * * * disfiguring disease.’’ (Emphasis added.) If any proce-
    dure that treats a disease (i.e., as the majority broadly inter-
    prets that phrase), see majority op. p. 65, is automatically
    carved out from the definition of cosmetic surgery, then the
    section 213(d)(9)(A) specific exclusion, relating to procedures
    that ameliorate a deformity arising from a disfiguring dis-
    ease, is superfluous. See TRW Inc. v. Andrews, 
    534 U.S. 19
    ,
    31 (2001) (stating that it is ‘‘ ‘a cardinal principle of statutory
    construction’ that ‘a statute ought, upon the whole, to be so
    construed that, if it can be prevented, no clause, sentence, or
    word shall be superfluous, void, or insignificant.’ ’’ (quoting
    Duncan v. Walker, 
    533 U.S. 167
    , 174 (2001))). Congress in
    section 213(d)(9)(A) readily acknowledges that certain proce-
    dures which treat disease may be cosmetic and ensures that
    these procedures will nevertheless be deemed medical care if
    they ameliorate a deformity. Sex reassignment surgery (SRS)
    and the accompanying procedures did not make the list.
    Judge Halpern asserts that this analysis ‘‘disregards the
    rules of grammar and logic’’ and that De Morgan’s laws dic-
    tate the majority’s holding. Halpern op. p. 83. If there is a
    negation of the conjunction ‘‘or’’, De Morgan’s laws convert
    ‘‘or’’ to ‘‘and’’. Judge Halpern’s mechanical application of De
    Morgan’s laws is not prudent. Simply put, congressional
    intent is not subservient to De Morgan’s laws. Courts dealing
    with statutes that contain the negation of a conjunction have
    employed interpretive principles to ensure adherence to Con-
    gress’ plain language. 3 In short, section 213(d)(9) must be
    3 This tension between Congress’ plain language and De Morgan’s laws was evident in the in-
    terpretation of a property forfeiture statute which contained the negation of a conjunction (i.e.,
    ‘‘without the knowledge or consent’’). See 21 U.S.C. sec. 881(a)(7) (1988); United States v. 171–
    02 Liberty Ave., 
    710 F. Supp. 46
    (E.D.N.Y. 1989); cf. United States v. 141st Street Corporation,
    
    911 F.2d 870
    (2d Cir. 1990). Rather than applying De Morgan’s laws and interpreting the statu-
    tory language to mean ‘‘without the knowledge and without the consent’’, the District Court fol-
    lowed legislative intent, adhered to a plain reading, and interpreted the language to mean
    ‘‘without the knowledge or without the consent’’. United States v. 171–02 Liberty Ave., supra at
    50. The court held:
    Under normal canons of statutory construction, the court must give effect to Congress’ use
    of the word ‘‘or’’ by reading the terms ‘‘knowledge’’ and ‘‘consent’’ disjunctively. * * *
    * * * If Congress had meant to require a showing of lack of knowledge in all cases, as sug-
    gested by the Government, it could have done so by replacing ‘‘or’’ with ‘‘and.’’ * * * [Id.]
    To apply De Morgan’s laws and ignore the plain language of the statute would have been impru-
    dent because, as one commentator accurately opined, ‘‘we have no way of telling whether the
    drafters of the statute intended that De Morgan’s Rules apply or not’’. Solan, The Language of
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           107
    interpreted with cognizance of the fact that this section was
    enacted by a Congress intent on limiting deductions for
    procedures directed at improving appearance and that
    Augustus De Morgan was not a member of the 101st Con-
    gress.
    II. The Legislative History Provides No Support for the
    Deduction of Petitioner’s Expenses
    The lack of unanimity among my colleagues may suggest
    that section 213(d)(9) is ambiguous and thus resort to legisla-
    tive history may be appropriate. See Anderson v. Commis-
    sioner, 
    123 T.C. 219
    , 233 (2004), affd. 
    137 Fed. Appx. 373
                                          (1st Cir. 2005). The sparse legislative history accompanying
    the enactment of section 213(d)(9) is quite illuminating.
    There is certainly no indication that Congress sought to pre-
    serve a deduction for expenses relating to SRS and the accom-
    panying procedures. To the contrary, the legislative history
    states that Congress intended to preserve deductions relating
    to:
    expenses for procedures that are medically necessary to promote the proper
    function of the body and only incidentally affect the patient’s appearance or
    expenses for treatment of a disfiguring condition arising from a congenital
    abnormality, personal injury or trauma, or disease (such as reconstructive
    surgery following removal of a malignancy) * * *. [136 Cong. Rec. 30485,
    30570 (1990); emphasis added.]
    Expenses relating to SRS and the accompanying procedures
    again did not make the list.
    III. Even If Not Cosmetic Surgery, Petitioner’s Procedures
    May Be ‘‘Similar’’ to Cosmetic Surgery
    Section 213(d)(9)(A) provides that ‘‘The term ‘medical care’
    does not include cosmetic surgery or other similar procedures,
    unless the surgery or procedure is necessary to ameliorate a
    deformity arising from, or directly related to, a congenital
    abnormality, a personal injury resulting from an accident or
    trauma, or disfiguring disease.’’ (Emphasis added.) Assuming
    arguendo that the majority’s analysis of section 213(d)(9)(B)
    is correct, petitioner must nevertheless establish that SRS
    and the accompanying procedures are not ‘‘similar’’ to cos-
    Judges 45, 52 (1993). See generally
    id. at 45–46, 49–53
    (discussing how courts have dealt with
    statutes containing the negation of ‘‘and’’ and ‘‘or’’).
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    108                134 UNITED STATES TAX COURT REPORTS                                         (34)
    metic surgery. The majority does not expound on this issue
    but states:
    by arguing that the hormone therapy was directed at improving peti-
    tioner’s appearance and did not treat an illness or disease, respondent con-
    cedes that a ‘‘similar procedure’’ as used in sec. 213(d)(9)(A) is delimited
    by the definition of ‘‘cosmetic surgery’’ in sec. 213(d)(9)(B)—that is, that a
    ‘‘similar procedure’’ is excluded from the definition of ‘‘medical care’’ if it
    ‘‘is directed at improving the patient’s appearance and does not meaning-
    fully promote the proper function of the body or prevent or treat illness
    or disease’’. [Majority op. note 31; emphasis added.]
    This analysis of the statute is simply wrong. The term
    ‘‘similar procedures’’ is not ‘‘delimited by the definition of
    ‘cosmetic surgery’ in sec[tion] 213(d)(9)(B)’’. While it is
    arguable that it could be defined in this manner, that is not
    what the statute provides. ‘‘Cosmetic surgery’’ is defined in
    section 213(d)(9)(B), but there is no statutory or regulatory
    guidance regarding what constitutes ‘‘similar procedures’’.
    Respondent, who has the authority to promulgate guidance
    defining ‘‘similar procedures’’ and has broad latitude
    regarding his litigation position, inexplicably conceded this
    issue with respect to the hormone therapy treatment and
    apparently failed to make this contention with respect to the
    SRS.
    Section 213(d)(9)(B) provides a potentially broad disallow-
    ance of expenses relating to procedures intended to improve
    a taxpayer’s appearance—a disallowance so broad that Con-
    gress provided exceptions set forth in section 213(d)(9)(A) to
    ensure that certain procedures which address deformities
    were deemed medical care. The parties have stipulated that
    petitioner’s procedures did not ameliorate a deformity. Even
    if SRS and the accompanying procedures fail to meet the defi-
    nition of ‘‘cosmetic surgery’’, it is arguable that these proce-
    dures are ‘‘similar’’ to cosmetic surgery, not ‘‘medical care’’,
    and thus not deductible.
    IV. Congressional Activity, Rather Than Respondent’s Litiga-
    tion Laxity, Should Determine Deductibility
    Apparently respondent, but not Congress, readily concedes
    that a procedure (i.e., directed at improving appearance but
    not meaningfully promoting proper bodily function) is
    excluded from the definition of cosmetic surgery if it treats
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           109
    a disease. In addition, respondent, but not Congress, appears
    to concede that if petitioner’s procedures fail to meet the defi-
    nition of cosmetic surgery, these procedures also fail to
    qualify as ‘‘similar procedures’’. See majority op. note 31. In
    short, respondent fails to adhere to the plain meaning of the
    statute. If respondent is comfortable, however, with his cur-
    rent interpretation of the statute and the accompanying liti-
    gating position, I offer a word of advice—‘‘Katy, bar the
    door!’’
    WELLS, VASQUEZ, KROUPA, and GUSTAFSON, JJ., agree
    with this concurring in part and dissenting in part opinion.
    GUSTAFSON, J., concurring in part and dissenting in part:
    I concur with the result of the majority opinion to the extent
    that it disallows a medical care deduction under section 213
    for breast enhancement surgery, but I dissent to the extent
    that the majority allows a deduction for genital sex reassign-
    ment surgery.
    Petitioner is the father of three children from a marriage
    that lasted 20 years. Although physically healthy, he was
    unhappy with his male anatomy and became profoundly so,
    to the point of contemplating self-mutilation. Mental health
    professionals diagnosed him as suffering from Gender
    Identity Disorder (GID). With their encouragement, he
    received medical procedures: In years before the year at issue
    here, he received injections of female hormones 1 and under-
    went facial surgery and other plastic surgery; and then in
    the year at issue he paid a surgeon about $20,000 to remove
    his genitals, fashion simulated female genitals, and insert
    breast implants. After these procedures, petitioner ‘‘passed’’
    as female and became happier. She 2 claimed an income tax
    deduction for the cost of this ‘‘sex reassignment surgery’’
    (SRS). The question in this case is whether section 213 allows
    this deduction.
    1 In the year at issue petitioner received $382 of hormone injections. The majority allows that
    deduction along with the deduction for genital sex reassignment surgery. I assume that the hor-
    mone injections are ‘‘similar’’ to cosmetic surgery and should therefore be disallowed under sec-
    tion 213(d)(9)(A), but I do not further address this de minimis deduction.
    2 Consistent with petitioner’s preference, I use feminine pronouns to refer to petitioner in her
    post-SRS state. However, this convention does not reflect a conclusion that petitioner’s sex has
    changed from male to female.
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    110                134 UNITED STATES TAX COURT REPORTS                                         (34)
    I. Non-issues
    The surgical procedures involved in this case are startling,
    and to avoid distraction from the actual issues, it is expe-
    dient to affirm what is not at issue here: Neither the tax col-
    lector nor the Tax Court sits as a board of medical review,
    as if it were reconsidering, validating, or overruling the med-
    ical profession’s judgments about what medical care is appro-
    priate or effective for what medical conditions. Likewise, nei-
    ther the tax collector nor the Tax Court passes judgment on
    the ethics of legal medical procedures, since otherwise
    deductible medical expenses are not rendered non-deductible
    on ethical grounds. See, e.g., Rev. Rul. 73–201, 1973–1 C.B.
    140 (cost of legal abortion held deductible under section 213).
    Rather, we decide only a question of deductibility for
    income tax purposes. In section 213 Congress created a
    deduction for ‘‘medical care’’, thereby implicitly but nec-
    essarily importing into the Internal Revenue Code principles
    that rely in part on the judgments of the medical profession.
    Medical care that is given pursuant to medical consensus
    might later prove to have been unfortunate or even disas-
    trous (such as thalidomide prescribed for morning sickness);
    but an eventual discovery that the care was ill advised would
    not affect the deductibility of that care for income tax pur-
    poses. To determine deductibility under section 213, we
    determine whether a procedure is ‘‘medical care’’ (as defined
    in that statute), not whether we would or would not endorse
    it as appropriate care. Neither the IRS nor the Tax Court was
    appointed to make such medical endorsements.
    Consequently, I accept the majority’s conclusions, based on
    expert medical testimony describing medical consensus, 3
    that GID is a serious mental condition, that petitioner suf-
    fered from it, that the medical consensus favors SRS for a GID
    patient like petitioner, that SRS usually relieves the patient’s
    suffering to some significant extent, and that SRS was pre-
    scribed to and performed on petitioner in accord with pre-
    vailing standards of medical care.
    3 The majority opinion acknowledges that in the psychiatric community there is a minority
    view that SRS is unethical and not medically necessary. Majority op. note 47 (citing testimony
    referring to Paul McHugh, ‘‘Surgical Sex’’, First Things (November 2004), http://
    www.firstthings.com/index.php (online edition)); majority op. p. 70; see also Holmes op. pts. I.B
    and II.B. However, if psychiatry has an intramural dispute about SRS, it will not be arbitrated
    by persons trained in tax law.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           111
    However, Congress did not cede to doctors the authority to
    grant tax deductions. As the majority acknowledges, majority
    op. p. 56, medical experts do not decide the interpretation of
    the terms in section 213. Rather, statutory interpretation is
    the domain of the courts. Although informed by medical
    opinion on the medical matters pertinent to medical exper-
    tise, the Court alone performs the judicial task of deter-
    mining the meaning of a statute and applying it to the facts
    of the case before us, on the basis of the record before us. My
    disagreement with the majority concerns the interpretation
    and application of section 213(d)(9), by which Congress delib-
    erately denied deductibility for ‘‘cosmetic surgery or other
    similar procedures’’.
    II. ‘‘[M]edical care’’, ‘‘cosmetic surgery’’, and ‘‘other similar
    procedures’’ in section 213
    As a general rule, ‘‘personal, living, or family expenses’’ are
    not deductible. Sec. 262. As an exception to that general rule,
    Congress enacted in 1942 a deduction for ‘‘expenses paid
    * * * for medical care’’, sec. 213(a); but in 1990 Congress
    carved out (and declared non-deductible) ‘‘cosmetic surgery or
    other similar procedures’’, sec. 213(d)(9). We decide today
    whether SRS is deductible ‘‘medical care’’ or instead is non-
    deductible ‘‘cosmetic surgery or other similar procedures’’.
    ‘‘Whether and to what extent deductions shall be allowed
    depends upon legislative grace; and only as there is clear
    provision therefor can any particular deduction be allowed.’’
    New Colonial Ice Co. v. Helvering, 
    292 U.S. 435
    , 440 (1934)
    (emphasis added). This case therefore requires us to deter-
    mine whether there is ‘‘clear provision’’ for the deduction of
    SRS expenses. I conclude that section 213 is anything but
    clear in allowing such a deduction.
    A. The language of section 213
    The definition of deductible ‘‘medical care’’ in section
    213(d)(1)(A) and the definition of non-deductible ‘‘cosmetic
    surgery’’ in the exception in subsection (d)(9)(B) must be con-
    strued in tandem. The subsection reads in part as follows
    (emphasis added):
    SEC. 213(d). DEFINITIONS.—For purposes of this section—
    (1) The term ‘‘medical care’’ means amounts paid—
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    112                134 UNITED STATES TAX COURT REPORTS                                         (34)
    (A) for the diagnosis, cure, mitigation, treatment, or prevention of
    disease, or for the purpose of affecting any structure or function of the
    body * * *.
    *   *     *  *    *   *   *
    (9) COSMETIC SURGERY.—
    (A) IN GENERAL.—The term ‘‘medical care’’ does not include cosmetic
    surgery or other similar procedures, unless the surgery or procedure
    is necessary to ameliorate a deformity arising from, or directly related
    to, a congenital abnormality, a personal injury resulting from an
    accident or trauma, or disfiguring disease.
    (B) COSMETIC SURGERY DEFINED.—For purposes of this paragraph,
    the term ‘‘cosmetic surgery’’ means any procedure which is directed at
    improving the patient’s appearance[4] and does not meaningfully pro-
    mote the proper function of the body or prevent or treat illness or dis-
    ease.
    Thus, in 1942 ‘‘medical care’’ was defined in subsection
    (d)(1)(A) with two alternative prongs—first, a list of five
    modes of care for disease, i.e., ‘‘diagnosis, cure, mitigation,
    treatment, or prevention’’; 5 and second, care that ‘‘affect[s]
    any structure or function of the body’’.
    4 Petitioner contends that SRS is not ‘‘directed at improving the patient’s appearance’’ for pur-
    poses of section 213(d)(9)(B); respondent contends that it is; and the majority concludes, majority
    op. note 30, that it ‘‘need not resolve’’ the issue. On this basis, however, Judge Goeke’s concur-
    rence would allow a deduction for the genital SRS because it ‘‘was not directed at improving
    petitioner’s appearance but rather was functional.’’ Goeke op. p. 101. His concurrence thus right-
    ly discerns that section 213(d)(9)(B) distinguishes ‘‘improving * * * appearance’’ from
    ‘‘promot[ing] * * * proper function’’ (emphasis added); but there is no basis for the conclusion
    that SRS is ‘‘functional’’. Petitioner’s SRS did not involve any attempt to confer female reproduc-
    tive function. No one undertaking to ‘‘promote’’ sexual ‘‘function’’ would perform a penectomy
    and a castration on a healthy male body. On the contrary, SRS drastically terminates a male
    patient’s functioning sexuality. SRS did not change petitioner into a ‘‘function[ing]’’ female, but
    removed his salient male characteristics and attempted to make him resemble a woman—i.e.,
    by petitioner’s lights, to ‘‘improve[ ] the patient’s appearance’’. The majority shows that the SRS
    surgeon does try to salvage, as much as possible, some possibility for subsequent sexual re-
    sponse, majority op. p. 41, and observes that SRS ‘‘alter[s] appearance (and, to some degree,
    function)’’, majority op. p. 70 (emphasis added); but the majority makes no finding that peti-
    tioner proved that any identifiable portion of the SRS expense can be allocated to restoration
    of ‘‘function’’. On our record, petitioner’s SRS must be said to have been directed at improving
    appearance rather than promoting function, and it is therefore within the definition of ‘‘cosmetic
    surgery’’. Judge Holmes’s concurrence, on the other hand, attempts no analysis of function
    versus appearance, but rather proposes a different distinction not explicit in the statute: He
    would hold that SRS did not ‘‘so much improve [petitioner’s male] appearance as create a new
    [female] one.’’ Holmes op. p. 99 (emphasis added). This ingenious distinction, if accepted, might
    well undo the disallowance of deductions for cosmetic surgery, since plastic surgery is often mar-
    keted and purchased on the grounds that it supposedly creates a ‘‘new appearance’’. But in fact,
    any surgery that gives the patient a ‘‘new appearance’’ has thereby ‘‘improved’’ the patient’s
    former appearance and is ‘‘cosmetic surgery’’ under section 213(d)(9)(B).
    5 The five terms employed to define ‘‘medical care’’ for income tax purposes in 1942 were bor-
    rowed from the definitions of ‘‘drug’’ and ‘‘device’’ added in 1938 to the Federal Trade Commis-
    sion Act by the Federal Trade Commission Act amendments of 1938, ch. 49, sec. 4, 52 Stat. 114,
    currently codified at 15 U.S.C. sec. 55(c), (d)(2) (2006). The same five terms currently appear
    in virtually identical definitions of ‘‘medical care’’ in 29 U.S.C. sec. 1191b(a)(2)(A) (2006) (for
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                               113
    In 1990 the concepts of both these prongs were narrowed
    in subsection (d)(9)(B) for the purpose of creating a limited
    exception to the new disallowance of ‘‘cosmetic surgery or
    other similar procedures’’. That is, appearance-improving
    procedures were declared to be non-deductible ‘‘cosmetic sur-
    gery’’, but the definition given for that term provides a two-
    prong exception: These appearance-improving procedures are
    nonetheless deductible under (d)(9)(B) (i.e., are not ‘‘cosmetic
    surgery’’) if they ‘‘meaningfully promote the proper function
    of the body’’ (i.e., not if they ‘‘affect[ ] any structure or func-
    tion of the body’’, as more broadly allowed in (d)(1)(A)) and
    are nonetheless deductible under (d)(9)(B) if they ‘‘prevent or
    treat’’ disease (i.e., not if they provide ‘‘diagnosis, cure, miti-
    gation, treatment, or prevention of disease’’, as more broadly
    allowed in (d)(1)(A)).
    Two features of this statutory language that are virtually
    overlooked in the majority opinion should be noted: First,
    section 213(d)(9)(A) disallows deductions for ‘‘cosmetic sur-
    gery or other similar procedures’’. (Emphasis added.) That is,
    expenses for a procedure that falls outside ‘‘cosmetic surgery’’
    (as defined in subsection (d)(9)(B)) may still be disallowed if
    the procedure is ‘‘similar’’ to ‘‘cosmetic surgery’’. Congress
    thus enacted this disallowance in such a way that splitting
    hairs in order to find a procedure not to be within the spe-
    cific definition of ‘‘cosmetic surgery’’ in (d)(9)(B) may not and
    should not save the day for its deductibility. Rather, deduct-
    ibility must be denied under (d)(9)(A) if the non-‘‘cosmetic
    surgery’’ procedure is nonetheless ‘‘similar’’ to cosmetic sur-
    gery.
    Second, assuming that subsection (d)(9)(B) permits deduct-
    ibility if not both but only one of its prongs is satisfied (i.e.,
    if a procedure only ‘‘prevent[s] or treat[s]’’), 6 it must be noted
    purposes of group health plans under ERISA) and 42 U.S.C. sec. 300gg–91(a)(2) (2006) (for pur-
    poses of requirements relating to health insurance coverage). They also appear in definitions of
    ‘‘drug’’ and ‘‘device’’ in 21 U.S.C. sec. 321(g)(1)(B) and (h)(2) (2006) and in the definitions of
    ‘‘radiologic procedure’’ and ‘‘radiologic equipment’’ in 42 U.S.C. sec. 10003(2) and (3) (2006). They
    appear in their verb forms in 42 U.S.C. sec. 247d–6d(i)(7)(A) (2006) (defining ‘‘qualified pan-
    demic or epidemic product’’) and 21 U.S.C. sec. 343(r)(6) (2006) (restricting statements about die-
    tary supplements). They appear as adjectives and gerunds, along with ‘‘therapeutic’’ and ‘‘reha-
    bilitative’’, in 26 U.S.C. sec. 7702B(c)(1) (defining ‘‘qualified long-term care services’’). Thus, this
    fivefold list is not unique to the Internal Revenue Code.
    6 The majority (like the parties) interprets subsection (d)(9)(B) to permit deductibility if a pro-
    cedure does not ‘‘meaningfully promote’’ but does ‘‘prevent or treat’’; and the majority evaluates
    the expenses only under that second prong, to determine whether the procedures at issue here
    Continued
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    114                134 UNITED STATES TAX COURT REPORTS                                         (34)
    that this second prong in subsection (d)(9)(B) has only two
    terms—‘‘prevent’’ and ‘‘treat’’—from among the list of five
    possible modes of ‘‘medical care’’ in subsection (d)(1)(A). I
    now turn to the significance of that wording.
    B. The different terminology of subsections (d)(1)(A) and
    (d)(9)(B)
    As is noted above, ‘‘medical care’’ is defined in subsection
    (d)(1)(A) by five terms—i.e., ‘‘diagnosis, cure, mitigation,
    treatment, or prevention’’. Some of these terms do have some
    overlapping shades of meaning, and it seems likely that
    when this ‘‘medical care’’ deduction was first enacted in 1942,
    Congress simply intended to enact a broad definition of med-
    ical care and therefore chose terms to convey that breadth,
    without particular intention about the potential distinctive
    meanings of those terms. The distinctive meanings would
    have been irrelevant under the general provision that
    allowed the deduction if any of these modes of care was pro-
    vided. That is, if a medical procedure was a ‘‘treatment’’ but
    not a ‘‘mitigation’’, or was a ‘‘mitigation’’ but not a ‘‘treat-
    ment’’, the expense would be deductible nonetheless under
    section 213(d)(1)(A).
    However, we consider here the very different and specific
    congressional intent 48 years later in 1990, when Congress
    enacted subsection (d)(9) to disallow deductions for cosmetic
    surgery. Congress provided an exception to this new dis-
    allowance, and allowed a deduction in the case of an other-
    wise cosmetic procedure, if it ‘‘prevent[s] or treat[s] illness or
    disease’’. Sec. 213(d)(9)(B) (emphasis added). According to
    this subsection, an otherwise cosmetic procedure will yield a
    deduction if it ‘‘prevent[s] or treat[s]’’ disease—i.e., two
    modes of care. Missing from this short list of deductible
    modes of care in subsection (d)(9)(B), as we have already
    noted, are three of the five terms in subsection (d)(1)(A),
    including ‘‘mitigation’’. The 1990 Congress was thus under-
    do ‘‘treat’’ disease. But see the opinion of Judge Foley, interpreting the definition in subsection
    (d)(9)(B) to disallow deductions for appearance-improving procedures unless a procedure both
    ‘‘meaningfully promote[s] the proper function of the body’’ and ‘‘prevent[s] or treat[s]’’ disease.
    The majority does not undertake to demonstrate that SRS ‘‘meaningfully promote[s] the proper
    function of the body’’, and if the statute requires that both prongs be satisfied, then SRS must
    therefore be non-deductible. In this partial dissent, however, I assume arguendo that only one
    prong need be satisfied; and I show that even so, contrary to the majority’s conclusion, SRS does
    not ‘‘prevent or treat’’ GID and therefore cannot be deductible even under the majority’s one-
    prong analysis.
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    (34)                     O’DONNABHAIN v. COMMISSIONER                                                115
    taking to provide a limited exception to its new disallowance,
    and in so doing it was selective in choosing from the vocabu-
    lary at hand. Under the wording Congress adopted, if an
    otherwise cosmetic procedure ‘‘mitigates’’ a disease but
    cannot be said to ‘‘treat’’ or ‘‘prevent’’ it, then under the plain
    terms of the statute, one would have to conclude that the
    expense of that procedure is non-deductible.
    Congress provided that, to be deductible, an otherwise cos-
    metic procedure must ‘‘prevent or treat’’ a disease. Petitioner
    did not argue (and the majority does not hold) that SRS ‘‘pre-
    vents’’ GID (rather, SRS is offered only to persons who already
    suffer from the disorder, for whom ‘‘prevention’’ would come
    too late); so the contention must be that SRS ‘‘treats’’ GID.
    III. The meaning of ‘‘treat’’ in section 213(d)(9)(B)
    The majority implicitly holds that ‘‘prevent or treat’’ in sec-
    tion 213(d)(9)(A) is equivalent to, or is shorthand for,
    ‘‘diagnos[e], cure, mitigat[e], treat[ ], or prevent[ ]’’ in sub-
    section (d)(1)(A) and that no narrow meaning should be
    ascribed to ‘‘treat’’. Admittedly, it is possible to use the word
    ‘‘treat’’ in a loose manner that could include merely amelio-
    rating the effects of a disease. In that loose sense, one could
    say that SRS ‘‘treats’’ GID by mitigating the unhappiness of
    the sufferer. ‘‘Treatment’’ and ‘‘mitigation’’ do appear side by
    side as modes of ‘‘care’’ in (d)(1)(A), reflecting different
    shades of meaning of the more general word ‘‘care’’; and thus
    to some extent they are synonymous. If they were such close
    synonyms as to be equivalent in meaning (or if ‘‘treat’’
    included ‘‘mitigate’’ 7), then the absence of ‘‘mitigate’’ in
    (d)(9)(B) would not be significant. However, ascribing this
    broad or loose meaning to ‘‘treat * * * disease’’ is untenable
    under section 213, where ‘‘treat’’ must be distinguished from
    ‘‘mitigate’’, and where the direct object is ‘‘disease’’ (not
    ‘‘patient’’ or ‘‘symptom’’), as I now show.
    7 By way of comparison, the absence of ‘‘cure’’ from section 213(d)(9)(B) is apparently not sig-
    nificant, because of the relationship of ‘‘treat’’ and ‘‘cure’’. ‘‘Treat’’ is a broader word that includes
    ‘‘cure’’. That is, although not everything that ‘‘treats’’ a disease undertakes to ‘‘cure’’ it, any pro-
    cedure that does ‘‘cure’’ a disease necessarily ‘‘treats’’ it.
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    116                134 UNITED STATES TAX COURT REPORTS                                         (34)
    A. To yield a deduction, an appearance-improving proce-
    dure must ‘‘treat’’ disease (as opposed to effecting
    ‘‘mitigation’’).
    Subsection (d)(9)(B) does not provide that appearance-
    improving procedures are deductible if they ‘‘prevent, treat,
    or mitigate’’ a disease, but rather if they ‘‘prevent or treat’’
    disease. The majority’s leading definition of ‘‘treat’’, majority
    op. p. 65, taken from Webster’s New Universal Unabridged
    Dictionary (2003), is ‘‘to deal with (a disease, patient, etc.) in
    order to relieve or cure’’; and the same dictionary’s definition
    of ‘‘mitigate’’ is—
    1. to lessen in force or intensity, as wrath, grief, harshness, or pain; mod-
    erate. 2. to make less severe * * *. 3. to make (a person, one’s state of
    mind, disposition, etc.) milder or more gentle; mollify; appease.
    A usage note observes that the ‘‘central meaning [of ‘‘miti-
    gate’’] is ‘to lessen’ or ‘make less severe’ ’’. Thus, the two
    words ‘‘treat’’ and ‘‘mitigate’’ are by no means identical.
    Consequently, a question directed toward ‘‘treatment’’ of a
    disease may ask (using language from Webster’s): Did the
    procedure ‘‘deal with’’ the disease? Or it may ask (using lan-
    guage from Havey v. Commissioner, 
    12 T.C. 409
    , 412 (1949)
    (emphasis added)): ‘‘[D]id the treatment bear directly on the
    * * * condition in question’’? But a question about ‘‘mitiga-
    tion’’ may ask (using language from Webster’s): Did the
    procedure ‘‘make [the disease] less severe’’ or ‘‘lessen * * *
    pain’’? And a comment that is framed in terms of ‘‘mitiga-
    tion’’ may speak of ‘‘mitigation of the effects of his injury and
    disability’’. Pols v. Commissioner, T.C. Memo. 1965–222, 
    24 T.C.M. 1140
    (1965) (emphasis added). Our Opinion in
    Starrett v. Commissioner, 
    41 T.C. 877
    , 881 (1964), includes
    such usage of both these terms. In Starrett we held that psy-
    chiatric expenses were ‘‘clearly ‘amounts paid for the diag-
    nosis, cure, mitigation, treatment,’ and ‘prevention’ of a spe-
    cific ‘disease’ ’’; and we upheld the taxpayer’s argument that
    he underwent psychoanalysis—
    for the diagnosis of his emotional condition, cure of a specific emotional
    disease classified as anxiety reaction, mitigation of the effects upon him of
    such disease, treatment of the underlying causes of his anxiety reaction,
    and thereby the prevention of further suffering therefrom * * *. [Id.;
    emphasis added.]
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           117
    When ‘‘treat’’ and ‘‘mitigate’’ are distinguished, rather than
    being blended, ‘‘treatment’’ addresses underlying causes and
    ‘‘mitigation’’ lessens effects. I conclude that this distinction
    between ‘‘treat’’ and ‘‘mitigate’’ is critical to determining
    whether SRS ‘‘treats’’ GID, so as to render SRS expenses
    deductible.
    B. To yield a deduction, an appearance-improving proce-
    dure must treat ‘‘disease’’ (as opposed to treating a
    patient or a symptom).
    If the parties and the majority have in effect defined
    ‘‘treat’’ so broadly as to nearly encompass ‘‘mitigate’’, they
    may have done so by overlooking the fact that, in section
    213(d)(9)(B), the object of the verb ‘‘treat’’ is ‘‘disease’’. The
    breadth of the dictionary definitions cited by the majority,
    majority op. p. 65, is attributable in part to the fact that one
    may ‘‘treat’’ a disease, or a patient, or a symptom. Con-
    sequently, a general definition of ‘‘treat’’ that is not con-
    fined—as section 213 is confined—to treatment of a disease
    should and will reflect shades of meaning appropriate for
    treatment of symptoms, which shades of meaning overlap
    more with ‘‘mitigate’’. For that reason these general dic-
    tionary definitions are not very illuminating in this instance,
    where the question is whether to ‘‘treat’’ disease is or is not
    the same as to ‘‘mitigate’’ disease.
    As a part of ‘‘medical care’’, one could ‘‘treat’’ a patient with
    palliative care or could ‘‘treat’’ his painful symptoms with
    morphine (both of which could also be said to ‘‘mitigate’’, and
    the expenses of which would be deductible under section
    213(a))—all the while leaving his disease un-‘‘treated’’,
    strictly speaking. When Congress intends to enact a provi-
    sion that turns on ‘‘treatment of patients’’ 8 or on ‘‘treatment
    of symptoms’’, 9 it knows how to do so; but it did not do so
    8 See sec. 168(i)(2)(C) (emphasis added); see also sec. 5214(a)(3)(D); 10 U.S.C. sec. 1077 (2006);
    21 U.S.C. sec. 802 (2006); 22 U.S.C. sec. 2151b–3 (2006); 24 U.S.C. sec. 225g (2006); 38 U.S.C.
    secs. 1706, 1718, 7332 (2006); 42 U.S.C. secs. 238b, 256e, 280e, 280g–6, 280h–3, 290dd–2, 291o,
    300d–41, 1320b–8 (2006).
    9 See 8 U.S.C. sec. 1611(b)(1)(C) (2006) (emphasis added); see also 8 U.S.C. secs. 1613, 1621,
    1632 (2006); 42 U.S.C. secs. 285o–4(d), 300cc–3, 1395i–3, 1396r (2006). Focusing on treatment
    of symptoms, Judge Halpern emphasizes, Halpern op. p. 79 (emphasis added), that petitioner’s
    expert pronounced petitioner ‘‘cured’’ (even though petitioner’s belief about her sex was un-
    changed) in the sense that ‘‘the symptoms of the disorder were no longer present’’, e.g., ‘‘she had
    been free for a long time of clinically significant distress or impairment’’; and Judge Halpern
    Continued
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    118                134 UNITED STATES TAX COURT REPORTS                                          (34)
    in section 213(d)(9)(B), which allows deductions for proce-
    dures that ‘‘treat * * * disease’’. (Emphasis added.) If a
    procedure is said to ‘‘treat * * * disease’’, then ‘‘the treat-
    ment [will] bear directly on the * * * condition in question’’,
    Havey v. Commis
    sioner, supra
    at 412, or will ‘‘deal with’’ the
    disease (as in Webster’s). Other medical care may be ‘‘mitiga-
    tion’’, but not ‘‘treatment’’.
    In defining ‘‘cosmetic surgery’’, Congress aimed to deny
    deductions that had previously been allowed. If in the
    amended statute Congress had allowed deductions for
    appearance-improving procedures that ‘‘prevent, treat, or
    mitigate’’ a disease, then that broader exception might have
    undermined the intended limiting effect of the new disallow-
    ance. The majority’s loose interpretation of subsection
    (d)(9)(B) treats the statute as if Congress had enacted that
    imaginary broader exception, and its loose interpretation
    invites arguments for the deduction not only of GID patients’
    SRS expenses but also of the cosmetic surgery expenses of any
    psychiatric patient who is (or claims to be) pathologically
    unhappy with his body. 10 In any event, Congress did not pro-
    vide that an appearance-improving procedure will nonethe-
    less be deductible if it merely ‘‘mitigates’’ a disease.
    equates a removal of symptoms with a ‘‘cure’’ of the disease (and therefore a ‘‘treatment’’ of the
    disease), Halpern op. pp. 79–80. However, when treatment of symptoms makes a psychiatric pa-
    tient content with his delusion, he has not been cured, and his ‘‘disease’’ has not been ‘‘treat[ed]’’
    for purposes of section 213(d)(9)(B).
    10 See Diagnostic and Statistical Manual of Mental Disorders 576–582 (Body Dysmorphic Dis-
    order (BDD)) (4th ed., text revision 2000) (DSM–IV–TR): ‘‘The essential feature of Body
    Dysmorphic Disorder (historically known as dysmorphophobia) is a preoccupation with a defect
    in appearance * * *. The defect is either imagined, or, if a slight physical anomaly is present,
    the individual’s concern is markedly excessive * * *. The preoccupation must cause significant
    distress or impairment in social, occupational, or other important areas of functioning’’. The
    entry for BDD in DSM–IV–TR is not in the record; but the majority refers to ‘‘DSM–IV–TR,
    which all three experts agree is the primary diagnostic tool of American psychiatry’’, majority
    op. p. 60, and states that the U.S. Supreme Court has relied on a listing in the DSM in treating
    something as a ‘‘serious medical condition’’, majority op. note 40; and I take judicial notice of
    the BDD entry. See, e.g., United States v. Long, 
    562 F.3d 325
    , 334–335 & n.22 (5th Cir. 2009);
    United States v. Johnson, 
    979 F.2d 396
    , 401 (6th Cir. 1992). Whether BDD is a ‘‘disease’’ and
    whether cosmetic surgery purportedly prescribed for it could be ‘‘treat[ment]’’ under section
    213(d)(9)(B) are questions yet to be litigated—if the majority’s broad interpretation of section
    213(d)(9)(B) prevails.
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           119
    C. A looser interpretation of ‘‘treat * * * disease’’ is not
    warranted in section 213(d)(9)(B).
    1. The structure of subsection (d)(9)(B) shows deliberate
    restriction in its terminology.
    Congress enacted section 213(d)(9) to restrict medical care
    deductions by explicitly denying such deductions for cosmetic
    surgery and similar procedures. Its terms must be under-
    stood by reference to that announced purpose. Consistent
    with that purpose, subsection (d)(9)(B) reflects, as I have
    shown, a narrowing of both prongs of the subsection (d)(1)(A)
    definition of ‘‘medical care’’—i.e., subsection (d)(1)(A)’s
    ‘‘affect[ ] any structure or function of the body’’ was narrowed
    to become ‘‘meaningfully promote the proper function of the
    body’’ in (d)(9)(B); and subsection (d)(1)(A)’s ‘‘diagnosis, cure,
    mitigation, treatment, or prevention of disease’’ was nar-
    rowed to become ‘‘prevent or treat’’ disease in (d)(9)(B).
    Where Congress was explicitly setting out to shut down
    deductions for cosmetic surgery, the restricting language it
    employed can hardly be taken as careless or unintentional.
    2. The stricter interpretation of subsection (d)(9)(B) is con-
    sistent with (d)(9)(A).
    Because the particular question in this case is whether SRS
    falls within the definition of cosmetic surgery for which
    expenses are disallowed in subsection (d)(9)(B), the majority
    gives short shrift to subsection (d)(9)(A). Subsection (d)(9)(A)
    shows the sorts of exceptional procedures for which Congress
    meant to preserve deductions—i.e., procedures that are ‘‘nec-
    essary to ameliorate a deformity arising from, or directly
    related to, a congenital abnormality, a personal injury
    resulting from an accident or trauma, or disfiguring dis-
    ease’’—and thus illuminates the congressional purpose.
    Someone like petitioner who suffers from GID has no deformi-
    ties that are addressed by SRS; he has no ‘‘congenital abnor-
    mality’’; he has suffered no ‘‘accident or trauma, or dis-
    figuring disease.’’ There is thus no indication that Congress
    explicitly intended to carve out, from its new disallowance,
    an exception that would reach SRS expenses. The wording
    choices in the statute that limit deductibility must be taken
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    120                134 UNITED STATES TAX COURT REPORTS                                         (34)
    at face value in order to vindicate the undisputed congres-
    sional purpose.
    The majority not only ignores those implications of sub-
    section (d)(9)(A) for the purpose of the statute but also ren-
    ders much of (d)(9)(A) surplusage by its unduly loose
    interpretation of subsection (d)(9)(B). Subsection (d)(9)(A)
    provides that even if a procedure is ‘‘cosmetic surgery’’ (as
    defined in (d)(9)(B)), its expenses will be deductible if (inter
    alia) the procedure ‘‘ameliorate[s] a deformity arising from,
    or directly related to, * * * disfiguring disease.’’ However, if
    surgical procedures that mitigate the effects of disease
    thereby fall outside the definition of ‘‘cosmetic surgery’’ (i.e.,
    because they are deemed to ‘‘treat disease’’ in the broad
    sense), then subsection (d)(9)(A) would describe an empty set
    when it refers to ‘‘cosmetic surgery’’ that ‘‘ameliorate[s] a
    deformity arising from * * * disfiguring disease.’’ If the
    procedure ‘‘ameliorate[s]’’, and if to ameliorate is to ‘‘treat’’,
    then the procedure would not be ‘‘cosmetic surgery’’ in the
    first place. Anything that ‘‘ameliorates’’ would be deductible
    because of the definition in (d)(9)(B), and the allowance in
    (d)(9)(A) would have no effect.
    On the other hand, if ‘‘treat * * * disease’’ in subsection
    (d)(9)(B) is given its precise meaning (not excluding from
    ‘‘cosmetic surgery’’ a procedure that only mitigates the effects
    of disease), then (d)(9)(A) would operate to allow a deduction
    for cosmetic surgery that does not ‘‘treat’’ a disfiguring dis-
    ease but rather ameliorates deformities arising from it. Thus,
    only the precise meaning of ‘‘treat disease’’ in (d)(9)(B) har-
    monizes with the allowance in (d)(9)(A).
    3. Broader usage of the word ‘‘treat’’ by doctors does not
    affect its significance in section 213(d)(9)(B).
    It appears that doctors sometimes use the word ‘‘treat’’ in
    this loose sense, so that they discuss SRS as a ‘‘treatment’’ for
    GID. See majority op. pt. III.D.1. However, as the majority
    indicates, majority op. p. 56, the meaning of statutory terms
    is within the judicial province, and we do not generally
    accept expert opinion on the meaning of statutory terms. In
    testimony in this case, doctors manifestly used the terms
    ‘‘care’’ and ‘‘treatment’’ almost interchangeably, without par-
    ticular attention to whether it is the patient, the symptoms,
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    (34)                    O’DONNABHAIN v. COMMISSIONER                                           121
    or the disease that is being addressed; in section 213(d), how-
    ever, ‘‘care’’ is a general term of which ‘‘treatment’’ is a mode
    distinct from ‘‘mitigation’’, and deductible care is directed to
    ‘‘disease’’ (or ‘‘illness’’), not to the patient or her symptoms.
    There is thus no indication that doctors’ usage of these words
    respects the distinctions that are important in section 213.
    With the foregoing understanding of the purpose and oper-
    ation of section 213(d)(9), I now address the question
    whether SRS ‘‘treats’’ GID.
    IV. SRS does not ‘‘treat’’ GID for purposes of section
    213(d)(9)(B).
    For the GID patient there is a dissonance between, on the
    one hand, his male body (i.e., his male facial appearance, his
    male body hair, his male body shape, his male genitalia, his
    male endocrinology, and the Y chromosomes in the cells of
    his body) and, on the other hand, his perception of himself
    as female. The male body conflicts with the female self-
    perception and produces extreme stress, anxiety, and
    unhappiness.
    One could analyze the GID patient’s problem in one of two
    ways: (1) His anatomical maleness is normative, and his per-
    ceived femaleness is the problem. Or (2) his perceived
    femaleness is normative, and his anatomical maleness is the
    problem. If one assumes option 2, then one could say that
    SRS does ‘‘treat’’ his GID by bringing his problematic male
    body into simulated conformity (as much as is possible) with
    his authentic female mind.
    However, the medical consensus as described in the record
    of this case is in stark opposition to the latter characteriza-
    tion and can be reconciled only with option 1: Petitioner’s
    male body was healthy, and his mind was disordered in its
    female self-perception. GID is in the jurisdiction of the psy-
    chiatric profession—the doctors of the mind—and is listed in
    that profession’s definitive catalog of ‘‘Mental Disorders’’. See
    DSM–IV–TR at 576–582. When a patient presents with a
    healthy male body and a professed subjective sense of being
    female, the medical profession does not treat his body as an
    anomaly, as if it were infected by the disease of an alien
    maleness. Rather, his male body is taken as a given, and the
    patient becomes a psychiatric patient because of his dis-
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    122                134 UNITED STATES TAX COURT REPORTS                                         (34)
    ordered feeling that he is female. The majority concludes,
    majority op. p. 76 (emphasis added), that GID is a ‘‘serious
    mental disorder’’—i.e., a disease in petitioner’s mind—and I
    accept that conclusion.
    A procedure that changes the patient’s healthy male body
    (in fact, that disables his healthy male body) and leaves his
    mind unchanged (i.e., with the continuing misperception that
    he is female) has not treated his mental disease. On the con-
    trary, that procedure has given up on the mental disease,
    has capitulated to the mental disease, has arguably even
    changed sides and joined forces with the mental disease. In
    any event, the procedure did not (in the words of Havey v.
    Commissioner, 
    12 T.C. 412
    ) ‘‘bear directly on the * * *
    condition in question’’, did not ‘‘deal with’’ the disease (per
    Webster’s), did not ‘‘treat’’ the mental disease that the thera-
    pist diagnosed. Rather, the procedure changed only peti-
    tioner’s healthy body and undertook to ‘‘mitigat[e]’’ the
    effects of the mental disease.
    Even if SRS is medically indicated for the GID patient—even
    if SRS is the best that medicine can do for him—it is an
    otherwise cosmetic procedure that does not ‘‘treat’’ the
    mental disease. Sex reassignment surgery is therefore within
    ‘‘cosmetic surgery or other similar procedures’’ under section
    213(d)(9)(A), and the expense that petitioner incurred for
    that surgery is not deductible under section 213(a).
    WELLS, FOLEY, VASQUEZ, and KROUPA, JJ., agree with this
    concurring in part and dissenting in part opinion.
    f
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Document Info

Docket Number: No. 6402-06

Citation Numbers: 134 T.C. 34, 2010 U.S. Tax Ct. LEXIS 4, 134 T.C. No. 4

Judges: \"Gale, Joseph H.\"

Filed Date: 2/2/2010

Precedential Status: Precedential

Modified Date: 1/13/2023

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