Stephanie Garcia v. Comm. of Social Security , 768 F.3d 925 ( 2014 )


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  •                 FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    STEPHANIE GARCIA,                         No. 12-15686
    Plaintiff-Appellant,
    D.C. No.
    v.                        1:10-cv-01997-
    JLT
    COMMISSIONER OF SOCIAL
    SECURITY,
    Defendant-Appellee.           OPINION
    Appeal from the United States District Court
    for the Eastern District of California
    Jennifer L. Thurston, Magistrate Judge, Presiding
    Argued and Submitted
    February 14, 2014—San Francisco, California
    Filed September 23, 2014
    Before: Alex Kozinski, Chief Judge, and Diarmuid F.
    O’Scannlain and Mary H. Murguia, Circuit Judges.
    Opinion by Judge Murguia;
    Dissent by Judge O’Scannlain
    2               GARCIA V. COMM’S OF SOC. SEC.
    SUMMARY*
    Social Security
    The panel reversed the district court’s order affirming the
    Commissioner of Social Security’s denial of benefits on the
    basis that the claimant was not intellectually disabled.
    The panel held that the administrative law judge (“ALJ”)
    had a duty to order further IQ testing, and concluded that the
    ALJ’s failure to do so was error that cannot be considered
    harmless. The panel remanded to the district court with
    instructions to reverse the final decision of the Commissioner
    and to order the Commissioner to develop the record through
    further IQ testing.
    Judge O’Scannlain dissented because he believed that the
    majority erroneously presumed that the Commissioner’s
    ostensible error prejudiced the claimant. Judge O’Scannlain
    also was unconvinced that the ALJ erred by not ordering a
    new and complete round of IQ tests.
    COUNSEL
    Lawrence David Rohlfing (argued), Law Offices of Lawrence
    D. Rohlfing, Santa Fe Springs, California, and Cyrus Safa,
    Grancell, Stander, Reubens, Thomas and Kinsey, San Diego,
    California, for Plaintiff-Appellant.
    *
    This summary constitutes no part of the opinion of the court. It has
    been prepared by court staff for the convenience of the reader.
    GARCIA V. COMM’S OF SOC. SEC.                  3
    Donna Wade Anderson (argued), Supervisory Attorney, and
    Patrick William Snyder, Special Assistant United States
    Attorney, Social Security Administration Office of General
    Counsel, San Francisco, California, for Defendant-Appellee.
    OPINION
    MURGUIA, Circuit Judge:
    Stephanie Garcia appeals from the district court’s order
    affirming the Commissioner of Social Security’s (the
    “Commissioner”) denial of benefits on the basis that she was
    not intellectually disabled.       Garcia argues that the
    administrative law judge (ALJ) who determined that she was
    not disabled had a duty to develop the record because that
    record did not include a complete set of valid IQ scores. We
    agree that the ALJ had a duty to order further IQ testing, and
    we further conclude that the ALJ’s failure to do so was an
    error that cannot be considered harmless. We therefore
    reverse the district court and remand for further proceedings.
    I
    As a minor, Stephanie Garcia received social security
    benefits because of her intellectual disability. After she
    reached the age of 18 in 2007, the Social Security
    Administration (SSA or the “Administration”) concluded that
    she no longer qualified as disabled and was therefore not
    entitled to further benefits. Garcia sought review by an ALJ,
    before whom she had a hearing on April 8, 2010. At the time
    of her hearing, Garcia lived with her mother and two siblings,
    as well as her own disabled daughter. Although she had
    learned some skills for caring for herself through an
    4             GARCIA V. COMM’S OF SOC. SEC.
    independent living program, Garcia was dependent on her
    mother for her own care and for the care of her child. After
    taking special education classes, Garcia earned a high school
    diploma, but she was unable to read and did not know the
    alphabet.
    Garcia worked part-time at a pizza shop for several
    months in 2008. She testified to having had difficulty with
    making pizzas, taking orders, and cashiering; as a result, she
    required constant supervision. She quit because she found the
    work “too hard.” Garcia was then placed in a clerical job by
    the California Department of Rehabilitation; her duties
    included photocopying, alphabetizing files, and removing
    staples from documents. She worked four or five hours per
    day, five days per week. She testified at her hearing that she
    had difficulty understanding how to perform the tasks
    assigned to her and had to rely on a coworker for help. Garcia
    also quit this job after two months because “[i]t was too
    hard.” Vicky Medina, Garcia’s counselor at the Central
    Valley Regional Center, testified that, based on her
    observations, Garcia would be unable to “do any job eight
    hours a day, five days a week as it would be performed in the
    national economy without extra supervision.” Medina
    explained that Garcia has difficulty remembering how to
    perform tasks, and that she needs to be re-taught “on a
    constant basis.”
    Apart from her intellectual disability, Garcia has suffered
    from depression stemming from having to care for her young
    daughter, who has Down Syndrome, asthma, and heart and
    thyroid problems. Garcia has been treated for her depression,
    and her psychiatric condition has improved.
    GARCIA V. COMM’S OF SOC. SEC.                            5
    In evaluating Garcia’s disability claim, the ALJ
    considered the reports of three experts: psychologist Mary K.
    McDonald, Ph.D., psychologist Allen Middleton, Ph.D., and
    physician Evangeline Murillo, M.D.
    On February 13, 2008, Dr. McDonald evaluated Garcia at
    the request of the California Department of Social Services.
    Dr. McDonald administered the Bender Visual Motor Gestalt
    Test, II Edition; the Wechsler Memory Scale, III Edition; and
    the Wechsler Adult Intelligence Scale, III Edition (“WAIS-
    III”). The WAIS-III measures an individual’s “intelligence
    quotient,” or “IQ”; IQ is reported as three scores: verbal,
    performance (non-verbal), and full scale. See 20 C.F.R.
    § 404, subpt. P, app. 1, listing 12.00 (“Listing 12.00”) (D)(6).
    Garcia’s scores on the Motor Gestalt Test were average to
    low average, and her Memory Scale scores indicated that her
    “[v]erbal memory is impaired and visual memory is within
    the low average range.”
    Dr. McDonald administered only the performance portion
    of the WAIS-III “[d]ue to the constraints of time and the
    slowness with which [Garcia] worked.”1 Consequently, Dr.
    1
    This is not that first time that Dr. McDonald has given this reason for
    failing to administer a complete IQ test when evaluating a patient for
    intellectual disability. See Andrade v. Comm’r of Soc. Sec., No.
    1:09–cv–1926 GSA, 
    2011 WL 864700
    (E.D. Cal. Mar. 10, 2011), aff’d,
    474 F. App’x 642 (9th Cir. 2012) (“Dr. McDonald’s report indicates that
    only the Performance IQ portion of the Wechsler Adult Intelligence Scale
    was administered ‘due to the constraints of time.’”). This excuse is
    troublesome, and the district court should not have accepted it in the
    absence of some more compelling reason. The SSA’s regulations indicate
    that potentially disabled individuals may take more time than others to
    complete an IQ test administration, and the administrator of the test should
    plan accordingly. See 20 C.F.R. § 416.919n(a).
    6                GARCIA V. COMM’S OF SOC. SEC.
    McDonald did not report a verbal or full-scale score.
    Garcia’s performance IQ score was 77, which is in the
    “borderline range” for disability. McDonald concluded that
    Garcia was “capable of employment.”
    After reviewing Garcia’s medical records, including the
    incomplete IQ test results, Dr. Middleton completed a Mental
    Residual Functional Capacity Assessment,2 Psychiatric
    Review Technique,3 and Case Analysis.4 He determined that
    Garcia was “moderately limited” in her “ability to
    [understand, remember, and carry out] detailed instructions.”
    He concluded that Garcia was “able to understand and
    remember [work] locations [and] procedures of a simple,
    routine nature involving 1–2 step job tasks [and]
    instructions.”
    2
    Residual Functional Capacity (RFC) is the work that an individual is
    capable of performing in spite of her limitations.             20 C.F.R.
    § 416.945(a)(1). The Mental RFC Assessment form used by Dr.
    Middleton, Form SSA-4734-SUP, requires a reviewing expert to evaluate
    the degree of the subject’s limitations in various aspects of
    (1) “understanding and memory,” (2) “sustained concentration and
    persistence,” (3) “social interaction,” and (4) “adaption,” such as in
    responding to workplace hazards or navigating public transportation.
    Based on the evaluation of the subject’s limitations in each category, the
    reviewing expert then makes a general assessment of the subject’s
    “functional capacity.”
    3
    The Psychiatric Review Technique form used by Dr. Middleton, Form
    SSA-2506-BK, requires the reviewing expert to (1) summarize relevant
    documentation, such as IQ test results, (2) rate the subject’s “functional
    limitations,” and (3) provide additional notes in narrative form.
    4
    Dr. Middleton used Form SSA-416, on which he listed “significant
    objective findings,” such as Garcia’s IQ test scores, her progress in school,
    and her depression.
    GARCIA V. COMM’S OF SOC. SEC.                      7
    Dr. Murillo also reviewed Garcia’s medical records,
    including the incomplete IQ results, and completed a Mental
    Residual Functioning Capacity Assessment and Case
    Analysis.5 Like Dr. Middleton, Dr. Murillo concluded that
    Garcia was “moderately limited” in her “ability to
    [understand, remember, and carry out] detailed instructions.”
    She determined that Garcia could “understand and remember
    work locations and procedures of a simple, routine nature
    involving 1–2 step job tasks and instructions” and “maintain
    concentration and attention for above in 2 hour increments”
    during “8 hr/40 hr work schedules.”
    At the hearing, the ALJ also heard testimony from
    vocational expert Thomas Dachelet. Dachelet testified that
    the ability to read and write at a basic level is a requirement
    for even those jobs classified by the Dictionary of
    Occupational Titles (DOT) as needing the lowest “general
    educational development.” However, he also acknowledged
    that Garcia had worked at “light unskilled” jobs at which “she
    didn’t read or write.” Dachelet testified that in California
    “there were 1,020,830 persons employed at the light unskilled
    level.” He identified three light unskilled jobs Garcia could
    perform: (1) a bagger, of which 44,304 were employed in
    California, (2) a garment sorter, of which 21,179 were
    5
    Dr. Murillo completed the same forms as Dr. Middleton: Mental RFC
    Assessment Form SSA-4734-SUP and Case Analysis Form SSA-416.
    8               GARCIA V. COMM’S OF SOC. SEC.
    employed in California, and (3) a grader,6 of which 20,188
    were employed in California.
    In a May 18, 2010, decision, the ALJ concluded that
    Garcia was not disabled as of February 1, 2008, consistent
    with the SSA’s original determination. The ALJ determined
    that Garcia had the severe impairment of borderline
    intellectual functioning but that the impairment was not so
    severe that it met the requirements for intellectual disability;
    see 20 C.F.R. § 404, subpt. P, app. 1, listing 12.05 (“Listing
    12.05”).
    Listing 12.05 lays out four ways in which an individual
    may qualify as intellectually disabled without requiring any
    further inquiry into her ability to work: (1) “[m]ental
    incapacity . . . such that the use of standardized measures of
    intellectual functioning is precluded”; (2) “[a] valid verbal,
    performance, or full scale IQ of 59 or less”; (3) “[a] valid
    verbal, performance, or full scale IQ of 60 through 70 and a
    physical or other mental impairment imposing an additional
    and significant work-related limitation of function”; and
    (4) “[a] valid verbal, performance, or full scale IQ of 60
    through 70, resulting in at least two [milder impairments].”
    
    Id. Each of
    these alternatives depends on a subject’s IQ test
    performance, unless she is unable to undergo testing.
    6
    Dachelet refers to the DOT listing for a “fruit-grader operator.” One
    employed in this position “[t]ends machine that grades fruit according to
    size: Changes chains and other driving gear according to type of fruit.
    Directs workers engaged in loading of elevator belt and removal of graded
    fruit. Cleans and lubricates chains, bearings, and machine gears, using
    rags and grease gun. Repairs, replaces, and adjusts malfunctioning parts
    of machine.” DOT 529.665-010, 
    1991 WL 674628
    .
    GARCIA V. COMM’S OF SOC. SEC.                    9
    Based on Garcia’s performance IQ score of 77, the ALJ
    concluded that Garcia could not meet Listing 12.05. The ALJ
    further concluded that Garcia had the RFC “to perform a full
    range of work at all exertional levels but with the following
    nonexertional limitations: [Garcia] can perform simple
    repetitive tasks where the jobs can be learned mostly by
    demonstration, but she cannot perform reading and/or writing
    as a job task.” Based primarily on Dachelet’s testimony, the
    ALJ concluded that Garcia was “capable of making a
    successful adjustment to other work that exists in significant
    numbers in the national economy,” including the jobs of
    bagger, garment sorter, and grader. For this reason, the ALJ
    concluded that Garcia was “not disabled.”
    Garcia appealed the ALJ’s decision to the Social Security
    Administration Appeals Council, but her appeal was denied,
    making the ALJ’s decision the final decision of the
    Commissioner. Garcia then sought judicial review of the
    Commissioner’s decision in the district court, arguing in part
    that the ALJ erred when she failed to develop the record by
    ordering a new IQ test administration to obtain a complete set
    of test scores. The district court affirmed the final decision of
    the Commissioner.
    II
    We review de novo a district court’s judgment affirming
    the denial of social security benefits. Bray v. Comm’r of Soc.
    Sec. Admin., 
    554 F.3d 1219
    , 1222 (9th Cir. 2009). “We may
    set aside a denial of benefits only if it is not supported by
    substantial evidence or is based on legal error.” 
    Robbins, 466 F.3d at 882
    .
    10              GARCIA V. COMM’S OF SOC. SEC.
    It was legal error for the ALJ not to ensure that the record
    included a complete set of IQ test results that both the ALJ
    and the reviewing experts could consider. While it is not
    certain from the record before us that Garcia would have been
    determined to be disabled if the record had been properly
    developed, it is also not “clear from the record that ‘the ALJ’s
    error was inconsequential to the ultimate nondisability
    determination.’” Tommasetti v. Astrue, 
    533 F.3d 1035
    , 1038
    (9th Cir. 2008) (quoting Robbins v. Soc. Sec. Admin.,
    
    466 F.3d 880
    , 885 (9th Cir. 2006)). Therefore we reverse the
    district court and remand with instructions to reverse the final
    decision of the Commissioner and to order the Commissioner
    to develop the record through further IQ testing.
    III
    To be eligible for disability benefits, an individual must
    be unable “to engage in any substantial gainful activity by
    reason of any medically determinable physical or mental
    impairment which can be expected to result in death or which
    has lasted or can be expected to last for a continuous period
    of not less than 12 months.” 42 U.S.C. § 423(d)(1)(A).
    The evaluation of disability in adults is governed by a
    five-step process, which the ALJ followed in assessing
    Garcia. 20 C.F.R. § 416.920. The ALJ skipped the first and
    fourth steps, as they were not applicable to Garcia’s
    situation.7 At the second step, the ALJ determines whether a
    7
    At the first step, the ALJ would have considered Garcia’s present work
    activity; however, this step does not apply to individuals whose disability
    determinations are being reevaluated because they turned 18. See 20
    C.F.R. § 416.987(b). At the fourth step, the ALJ would have considered
    Garcia’s past relevant work, 
    id. § 920(a)(iv);
    however, the ALJ skipped
    GARCIA V. COMM’S OF SOC. SEC.                          11
    claimant has an impairment or combination of impairments
    that is medically severe; if not, the claimant is not disabled.
    
    Id. §§ 416.920(a)(4)(ii),
    416.920(c). The ALJ concluded that
    Garcia had the severe impairment of “borderline intellectual
    functioning,” and so proceeded to the third step.
    At the third step, the ALJ again considers the severity of
    the impairment or combination of impairments by comparing
    it to the listings in 20 C.F.R. § 404, subpart P, appendix 1. 
    Id. §§ 416.920(a)(4)(iii),
    416.920(d). If the impairment or
    combination of impairments is at least as severe as the
    relevant listing, and has lasted at least twelve months, then
    the claimant is deemed disabled, and the inquiry ends;
    otherwise, the ALJ proceeds to the next step. 
    Id. The ALJ
    concluded that Garcia did not meet Listing 12.05 and so
    proceeded to step five. At the fifth step, the ALJ considers
    the claimant’s RFC – that is, her ability to work in spite of her
    limitations – along with her age, education, and work
    experience, to determine whether she can make an adjustment
    to a new kind of work. 
    Id. § 416.920(a)(4)(v).
    The ALJ
    concluded that Garcia could perform jobs requiring the ability
    to undertake simple, repetitive tasks, and so found that she
    was not disabled.
    IV
    Garcia argues that the ALJ erred by failing to order
    additional IQ testing and instead relying on the results of the
    partial examination performed by Dr. McDonald. We agree.
    “The ALJ always has a ‘special duty to fully and fairly
    develop the record and to assure that the claimant’s interests
    this step because she concluded that Garcia did not have any past relevant
    work.
    12            GARCIA V. COMM’S OF SOC. SEC.
    are considered.’” Celaya v. Halter, 
    332 F.3d 1177
    , 1183 (9th
    Cir. 2003) (quoting Brown v. Heckler, 
    713 F.2d 441
    , 443 (9th
    Cir. 1983)).
    The ALJ is not a mere umpire at such a
    proceeding . . . : it is incumbent upon the ALJ
    to scrupulously and conscientiously probe
    into, inquire of, and explore for all the
    relevant facts. He must be especially diligent
    in ensuring that favorable as well as
    unfavorable facts and circumstances are
    elicited.
    
    Id. (quoting Higbee
    v. Sullivan, 
    975 F.2d 558
    , 561 (9th Cir.
    1992)).
    In a case, such as this one, that turns on whether a
    claimant has an intellectual disability and in which IQ scores
    are relied upon for the purpose of assessing that disability,
    there is no question that a “fully and fairly develop[ed]”
    record, 
    id., will include
    a complete set of IQ scores that report
    verbal, non-verbal, and full-scale abilities. There are two
    principal reasons for our conclusion.
    First, IQ testing plays a particularly important role in
    assessing the existence of intellectual disability. Listing
    12.00 generally lays out the necessary procedures for
    evaluating mental disorders, including intellectual disability,
    and for documenting relevant objective findings. In that
    listing the SSA has recognized that “[s]tandardized
    intelligence test results are essential to the adjudication of all
    cases of intellectual disability,” except where a claimant is
    unable to complete such testing. Listing 12.00(d)(6)(b). At
    the third step of the SSA’s five-step process, when a
    GARCIA V. COMM’S OF SOC. SEC.                    13
    claimant’s impairment is compared to the criteria in Listing
    12.05, three of the four criteria for intellectual disability rely
    in whole or in part on IQ test scores. (The fourth criterion
    applies when the claimant’s incapacity precludes IQ testing.)
    Because meeting the relevant listing conclusively determines
    that a claimant is indeed disabled, 20 C.F.R.
    § 416.920(a)(4)(iii), the claimant’s IQ score can be the
    deciding factor in a determination of intellectual disability.
    Further, as was the case with Garcia, IQ test results can
    play a role in the development of other evidence in the record.
    For example, Dr. Middleton and Dr. Murillo both reviewed
    Garcia’s IQ results before making their determinations about
    her ability to work. Thus, as a practical matter, the
    importance of IQ scores in this case did not end with step
    three. The partial test results also affected the ALJ’s
    conclusions about Garcia’s ability to work, even if less
    directly.
    The second reason for our conclusion is that the
    regulations promulgated by the SSA demonstrate that the
    Administration, based on its considerable expertise, has
    determined that it is essential for complete – rather than
    partial – sets of IQ scores to be used in evaluating intellectual
    disability. As a general principle, all reports of test results
    “must conform to accepted professional standards and
    practices in the medical field for a complete and competent
    examination,” 20 C.F.R. § 416.919n(b), and an examination
    is not complete unless it includes “all the elements of a
    standard examination in the applicable medical specialty,” 
    id. § 416.919n(c).
    The regulations specifically identify the “Wechsler
    series” of IQ tests (of which WAIS-III is a part) as
    14               GARCIA V. COMM’S OF SOC. SEC.
    “customarily” including “verbal, performance, and full scale
    IQs.” Listing 12.00(D)(6)(c). This characteristic of the
    Wechsler exam makes it particularly well suited to the
    assessment of intellectual disability, because “[g]enerally, it
    is preferable to use IQ measures that are wide in scope and
    include items that test both verbal and performance abilities.”
    Listing 12.00(D)(6)(d).
    The Commissioner argues that the regulations themselves
    suggest it is acceptable for an ALJ to rely on partial test
    results in a situation, such as this one, in which only part of
    an IQ test was administered. The Commissioner points
    specifically to a passage in Listing 12.00 providing that “[i]n
    cases where more than one IQ is customarily derived from the
    test administered, e.g., where verbal, performance, and full
    scale IQs are provided in the Wechsler series, we use the
    lowest of these in conjunction with [Listing] 12.05.” 
    Id. at 12.00(D)(6)(c).8
    However, our reading of this same passage leads us to
    conclude the opposite: Listing 12.00 strongly disfavors
    reliance on partial test results. The plain text of the
    regulation clearly suggests that IQ tests like those in the
    Wechsler series should be administered and reported in full,
    because it assumes that the ALJ will have multiple scores –
    “verbal, performance, and full scale” – from which to “use
    the lowest.” We also note that the regulations’ insistence that
    the ALJ look at all three scores in order to identify the lowest
    among them seems intended to benefit the disability claimant,
    for whom each test score is an opportunity to demonstrate
    that she meets one of the IQ-related criteria specified in
    Listing 12.05 – as well as an opportunity to demonstrate the
    8
    The district court came to the same conclusion.
    GARCIA V. COMM’S OF SOC. SEC.                         15
    extent of her impairment to other experts reviewing her IQ as
    part of their own evaluations of her limitations.
    Because the regulations clearly assert the importance of
    a complete IQ test administration, the ALJ had a duty to
    develop the record so that it included a complete set of IQ test
    results. Her failure to do so was legal error.9
    V
    Our conclusion that the ALJ committed legal error is not
    the end of our inquiry. We will not reverse an ALJ’s decision
    on the basis of a harmless error, “which exists when it is clear
    from the record that ‘the ALJ’s error was inconsequential to
    the ultimate nondisability determination.’” 
    Tommasetti, 533 F.3d at 1038
    (quoting 
    Robbins, 466 F.3d at 885
    ). While
    the record here may not definitively demonstrate that Garcia
    would have been adjudicated disabled if the ALJ had ordered
    that a complete set of IQ tests be administered, it is certainly
    not clear from the record that Garcia was not harmed by the
    ALJ’s error.10
    9
    We recognize that our holding here is contrary to Andrade v.
    Commissioner of Social Security, 474 F. App’x 642 (9th Cir. 2012). We
    are not bound by our earlier decision. See 9th Cir. R. 36-3(a).
    10
    The dissent suggests that the harmlessness standard recognized in
    Tommasetti does not apply to cases in which the legal error at issue is a
    failure of the duty to develop the record. Citing McLeod v. Astrue,
    
    640 F.3d 881
    (9th Cir. 2010), the dissent argues that in such cases we
    should turn our stringent harmlessness standard on its head and presume
    any error is harmless until the claimant or record demonstrates otherwise.
    See Dissent at 20, 25–26. McLeod provides no basis for us to create such
    a peculiar carve-out from our well-established rule. We have consistently
    treated an ALJ’s failure to adequately develop the record as reversible
    legal error. See 
    Celaya, 332 F.3d at 1183
    . We have never suggested that
    16               GARCIA V. COMM’S OF SOC. SEC.
    Again, we recognize that the importance of IQ test results
    in adjudicating intellectual disability is not limited to the
    claimant’s ability to meet the listing at step three of the five-
    step process. Both Dr. Middleton and Dr. Murillo considered
    Garcia’s incomplete IQ test results in assessing her ability to
    support herself through gainful employment, and the ALJ
    relied on these experts’ findings in assessing Garcia’s RFC
    and ultimately in determining that she was not disabled. The
    Commissioner points out that neither Dr. Middleton nor Dr.
    failure to develop is somehow lesser error, or should be treated differently
    to other types of legal error. Indeed, often the same error can be
    characterized as either failure-to-develop or “normal” legal error
    depending on how it’s described.             Adopting a separate—and
    inverted—harmlessness standard for failure-to-develop cases would not
    only create confusion in our case law, but also hinge a great deal on a
    nebulous, and often unimportant, distinction.
    McLeod concerned a disability claim by a veteran who argued on
    appeal that the ALJ had failed adequately to develop the record. We
    observed that there may be situations in which “further administrative
    review is needed to determine whether there was prejudice from the error
    [of not developing the 
    record].” 640 F.3d at 888
    . However, contrary to
    the dissent’s assertion, we explicitly recognized that “it is quite clear that
    no presumptions operate, and we must exercise judgment in light of the
    circumstances of the case.” 
    Id. We remanded
    to the ALJ for a
    harmlessness determination, even though it was not clear from the record
    that the potentially omitted evidence—a VA disability rating—even
    existed. McLeod is limited to situations where the record is insufficient
    for the court to make its own prejudice determination, and remand is
    required for the ALJ to determine the harmfulness of the omission in the
    first instance. It makes good sense that, in such a situation, “mere
    probability” that hypothetical new evidence—like the potential disability
    certificate—may be influential is insufficient to support a remand.
    Because, here, we know precisely which evidence was omitted from the
    record and have no doubts about its significance in reaching an intellectual
    disability determination, we see no reason to depart from the harmlessness
    standard articulated in Tommasetti.
    GARCIA V. COMM’S OF SOC. SEC.                 17
    Murillo “expressed any concerns about the adequacy of Dr.
    McDonald’s psychological testing,” but that does not
    necessarily mean that neither would have reached a different
    conclusion or offered other findings beneficial to Garcia
    based on a complete set of scores. Such an outcome seems
    particularly plausible where, as here, Garcia’s testing history
    as a juvenile strongly suggests that her verbal and full-range
    IQ scores would be considerably lower than the performance
    score of 77 obtained by Dr. McDonald. In a December 2004
    test administration, Garcia was assessed with a verbal score
    of 61, a performance score of 74, and a full-scale score of 66.
    In June 2005, she received a full-scale score of 44 and a
    verbal score of 53. Further, the testimony of Garcia’s
    counselor Vicky Medina also suggests that verbal functioning
    was a particular weakness for Garcia.
    In this case, there is a genuine probability that, had a
    complete set of valid IQ test scores been included in the
    record, the opinions of the reviewing experts might have been
    different, or Garcia might have had an additional factual basis
    for challenging their opinions. This is especially true when,
    just three years earlier, Garcia’s full-scale test score was
    dramatically below the threshold for establishing disability
    even on the basis of just the score by itself. See Listing
    12.05(B) (providing that intellectual disability may be
    established by “[a] valid verbal, performance, or full-scale IQ
    of 59 or less”). The fact that IQ test results may be
    considered by multiple reviewing experts, as well as by the
    ALJ, makes it particularly difficult to conclude that any error
    affecting the quality of those results is “inconsequential to
    [an] ultimate nondisability determination,” let alone to
    conclude that such harmlessness is “clear from the record.”
    
    Tommasetti, 533 F.3d at 1038
    .
    18               GARCIA V. COMM’S OF SOC. SEC.
    Perhaps even more significantly, Garcia may have been
    able to meet Listing 12.05(B),11 under which she would have
    been adjudicated disabled if she had scored below 60 on
    either the verbal, performance, or full-scale portion of an IQ
    test. Given that Garcia had previously received a childhood
    Wechsler full-scale score of 44 and a verbal score of 55, and
    that she tended to score lower on the verbal component than
    on the performance component, it appears likely that Garcia
    could have met Listing 12.05(B) at step three of the
    evaluation process. Based on that evidence alone, it cannot
    be “clear from the record” that failure to obtain those two
    tests was “inconsequential.” 
    Tommasetti, 533 F.3d at 1038
    .
    VI
    The ALJ’s failure to develop the record to include a
    complete set of IQ scores was legal error. Because we cannot
    conclude that the error was harmless, we REVERSE the
    judgment of the district court and REMAND with
    instructions to remand to the Commissioner for further
    proceedings.
    11
    The dissent argues we should ignore Listing 12.05(B) when reviewing
    for harmless error because Garcia “never claimed on appeal that she
    would have qualified under Listing 12.05 B.” Dissent at 25 (emphasis in
    original). Garcia’s opening brief, however, clearly raised the issue. Garcia
    argued that “[b]ased on the high correlation between the tests, the
    expected verbal IQ score supports the contention that the complete IQ test
    would result in IQ scores sufficient to meet or equal the Listing . . .
    12.00.” Listing 12.00 describes the evaluation process to determine
    whether an applicant’s impairment is a “mental disorder.” It expressly
    states: “If your impairment satisfies the diagnostic description in the
    introductory paragraph [of Listing 12.05] and any one of the four sets of
    criteria, we will find that your impairment meets the listing.” Listing
    12.00 (emphasis added).
    GARCIA V. COMM’S OF SOC. SEC.                 19
    O’SCANNLAIN, Circuit Judge, dissenting:
    The panel majority, eager to reprimand the Commissioner
    of Social Security for what it deems to be inexcusably sloppy
    practices, disregards—I suggest, respectfully—the deference
    we owe under law to the agency’s determinations. Rather
    than observing the standard for harmless error that our
    precedents have previously prescribed, the majority has
    erroneously presumed that the Commissioner’s ostensible
    error has prejudiced Stephanie Garcia, the claimant in this
    case. I respectfully dissent from this regrettable exaggeration
    of our Court’s properly limited role in the adjudication of
    Social Security disability benefits claims.
    I
    Congress has carefully prescribed a minimal role for the
    Federal courts in adjudicating claims of disability under the
    Social Security Act. See 42 U.S.C. § 405(g). Accordingly,
    we have only limited authority to nullify the decisions of the
    agency and its administrative law judges with which we
    disagree. As the majority opinion correctly notes, we may
    not disturb an ALJ’s denial of benefits unless “it is not
    supported by substantial evidence or is based on legal error.”
    Robbins v. Soc. Sec. Admin., 
    466 F.3d 880
    , 882 (9th Cir.
    2006). Legal error alone, furthermore, is not sufficient to
    warrant our interference: for example, we generally must stay
    our hand if it is “clear from the record” that any ostensible
    error “was inconsequential to the ultimate nondisability
    determination.” Tommasetti v. Astrue, 
    533 F.3d 1035
    , 1038
    (9th Cir. 2008) (internal quotation marks omitted).
    Indeed, one such error that we have identified in past
    cases has been an ALJ’s failure “fully and fairly [to] develop
    20           GARCIA V. COMM’S OF SOC. SEC.
    the record and to assure that the claimant’s interests are
    considered.” Celaya v. Halter, 
    332 F.3d 1177
    , 1183 (9th Cir.
    2003). This “special” and “independent” duty of the ALJ
    exists in all circumstances, although, when the applicant is
    uncounseled, the responsibility to ensure an adequate record
    is heightened. See Tonapetyan v. Halter, 
    242 F.3d 1144
    , 1150
    (9th Cir. 2001); Smolen v. Chater, 
    80 F.3d 1273
    , 1288 (9th
    Cir. 1996). Despite our solicitude in this regard, we have
    nevertheless clearly limned the outer boundaries of such
    responsibility. “An ALJ’s duty to develop the record further
    is triggered only when there is ambiguous evidence or when
    the record is inadequate to allow for proper evaluation of the
    evidence.” Mayes v. Massanari, 
    276 F.3d 453
    , 459–60 (9th
    Cir. 2001) (emphasis added).
    More recently, we have refined—in the context of the
    ALJ’s duty to develop the record—the standard by which we
    appraise whether any such error prejudiced the claimant. In
    McLeod v. Astrue, the unsuccessful applicant for disability
    benefits contended that the “ALJ erred by failing to develop
    the record adequately,” specifically by not “request[ing] more
    explanation from two of his treating physicians” and by not
    obtaining “whatever VA disability rating” he may have had.
    
    640 F.3d 881
    , 884 (9th Cir. 2011). We determined that the
    ALJ had shirked this duty to develop the record, but
    nevertheless that this dereliction was not alone sufficient
    warrant for reversal. Rather, we explained that “the burden
    is on the party attacking the agency’s determination to show
    that prejudice resulted from the error.” 
    Id. at 887.
    But
    “where the circumstances of the case show a substantial
    likelihood of prejudice,” the reviewing court can remand the
    case so the agency may reconsider the claimant’s eligibility
    for benefits. 
    Id. at 888.
    We emphasized, nevertheless, that a
    “mere probability” of prejudice “is not enough.” 
    Id. Either GARCIA
    V. COMM’S OF SOC. SEC.                           21
    the claimant must himself shoulder the burden of
    demonstrating prejudice, or otherwise such prejudice must be
    apparent on the face of the record or the “circumstances of
    the case.”
    II
    The majority’s opinion turns this duty-to-develop doctrine
    on its head. Even assuming, arguendo, that the ALJ
    committed legal error by not ordering Dr. McDonald to
    perform another round of IQ tests on Miss Garcia,1 the
    1
    I remain unconvinced that, at least in the circumstances of this case, the
    ALJ erred by not ordering a new, and complete, round of IQ tests. The
    majority opinion does not assert that the partial test scores constitute
    “ambiguous evidence” or make the “record . . . inadequate” for the
    purposes of assessing residual functional capacity. See 
    Mayes, 276 F.3d at 460
    .
    At most, the majority opinion gleans from the regulations an
    expectation of or a preference for “multiple scores” from a Wechsler
    series IQ test, maj. op. at 14. Whether such regulatory intimations can
    “trigger[]” the ALJ’s duty further to develop the 
    record, 276 F.3d at 459
    ,
    does not appear compelled by our precedents. And the majority does not
    pause to explain why.
    Furthermore, the majority scarcely indicates what countervailing
    constraints—if any—may defeat the regulations’ preference for or
    expectation of multiple test scores. Dr. McDonald’s purported reasons for
    not administering the complete Wechsler series IQ test were “the
    constraints of time and the slowness with which [Miss Garcia] worked.”
    The majority simply deems this explanation an “excuse,” dismissing it as
    “troublesome” and scolding the district court, which in its judgment
    “should not have accepted it in the absence of some more compelling
    reason.” Maj. op. at 5–6 & n.1.
    I strongly resist this lecture to medical practitioners. Not only does
    the record lack any clear implication of either excuse-making or duty-
    22              GARCIA V. COMM’S OF SOC. SEC.
    majority misstates—and misapplies—the proper standard for
    assessing any prejudice such error caused.
    In the first place, the majority correctly acknowledges that
    “[w]e will not reverse an ALJ’s decision on the basis of a
    harmless error,” which occurs “when it is clear from the
    record that the ALJ’s error was inconsequential to the
    ultimate nondisability determination,” maj. op. at 15 (internal
    quotation marks omitted). Although the majority does not
    expressly state that such rule is the exclusive standard by
    which to assess the harm caused by an error, its reasoning
    assumes so. For the majority detects prejudice in “a genuine
    probability” that a complete set of IQ test scores may have
    altered the medical reports or provided another basis for Miss
    Garcia to challenge the ALJ’s determination. 
    Id. at 17.
    McLeod, however, specifically forecloses this basis for
    reversing a denial of benefits: a “mere probability,” no matter
    how “genuine,” simply does not 
    suffice. 640 F.3d at 888
    .
    The majority articulates an exclusive standard for harmless
    error that presumes prejudice unless such error appear
    “inconsequential” on the face of the record. Such may be the
    ordinary analysis for determining the prejudice caused by
    legal error. In the special context of the ALJ’s duty to
    develop the record, however, our Court has already clearly
    explained that we cannot find prejudice unless and until
    shirking, but also it is not self-evident that the time Dr. McDonald did
    devote to administering the tests and interviewing Miss Garcia was
    insufficient or otherwise imprudent. We should be reticent to craft, in
    footnotes to our opinions, legal rules governing the minutiae of medical
    practice—such as how and when to schedule tests and interviews—where
    Congress has not legislated and where the agency has not regulated. And
    especially not where the record and the parties’ briefings do not present
    an adequate basis for determining which sort of constraints are reasonable
    and which are merely “excuses.”
    GARCIA V. COMM’S OF SOC. SEC.                  23
    demonstrated by the claimant or the record and circumstances
    of the case.
    Furthermore, the majority offers no basis, either in law or
    in fact, for simply asserting that the absence of a full set of
    IQ test scores would have had any likely effect on the ALJ’s
    disability determination. The majority first observes that
    “[b]oth Dr. Middleton and Dr. Murillo considered Garcia’s
    incomplete IQ test results in assessing her ability to support
    herself through gainful employment.” Maj. op. at 16.
    Indeed, the medical experts considered the test scores—but
    they also considered sundry other relevant data, such as her
    employment history, educational and recreational activities,
    financial independence, grooming, and the cooperation and
    comprehension she displayed during her clinical evaluation.
    The majority does not indicate any basis from these experts’
    reports that the partial test scores figured decisively in their
    recommendations. Nor does the majority opinion advert to
    any item in the record or the “circumstances of the case” that
    suggests the slightest chance—let alone a “genuine
    probability”—the ALJ would have concluded differently had
    he seen a full set of IQ test scores.
    Even Miss Garcia’s own briefing does not attempt such
    an argument. In her opening brief, she emphasizes only that,
    deprived of a full battery of test scores, she lost the
    opportunity to qualify for automatic disability benefits under
    Listing 12.05 C or D, see 20 C.F.R. § 404, subpt. P, app. 1.
    She does not, however, attempt affirmatively to link the
    incomplete IQ tests with the medical reports and the ALJ’s
    determination of her residual functional capacity. Only in her
    supplemental brief does Miss Garcia clearly assert such a
    connection—and, even there, she does not offer any reason
    why we may expect the medical experts would have
    24              GARCIA V. COMM’S OF SOC. SEC.
    substantively revised their reports in light of complete test
    results.
    The majority assures us, however, that an alternative
    finding by the ALJ “seems particularly plausible” based on
    Miss Garcia’s “considerably lower” test results as a juvenile.
    Maj. op. at 16–17. But this is a non sequitur. The ALJ
    determined Miss Garcia not to be disabled in light of her
    record as a whole: he did not explain that the partial IQ test
    score carried dispositive weight. Nothing in the record to
    which either Miss Garcia or the majority point suggests a
    necessary connection between marginally lower IQ scores
    and a RFC finding that would prevent her from procuring and
    performing gainful employment. This “genuine probability”
    of a different outcome that the majority identifies,
    accordingly, appears little more than an unsubstantiated
    hunch.
    In addition, Listings 12.05 C and D require not only a
    sufficiently low IQ test score, but also additional
    impairments, before the applicant may qualify for disability
    benefits thereunder. Miss Garcia does not, before this court,
    argue that she may have qualified under Listing 12.05 B,
    which she would satisfy simply by scoring below 60 on any
    of her tests without presenting any other additional
    impairments.2 Nevertheless, the majority, pointing to her
    substantially lower testing results as a juvenile, predicts that
    Miss Garcia may have scored low enough to qualify as
    disabled under Listing 12.05 B. For such reason, the majority
    finds prejudice in Dr. McDonald’s failure to administer the
    2
    In her opening brief, Miss Garcia specifically argued that “a valid IQ
    score on one of the two missing IQ tests may provide satisfaction of the
    Listing at § 12.05(C) or (D).”
    GARCIA V. COMM’S OF SOC. SEC.                  25
    entire battery of IQ tests and in the ALJ’s acceptance of these
    partial scores. In effect, this reasoning says—bizarrely—that
    Miss Garcia wins an argument she does not make. Since she
    never claimed on appeal that she would have qualified under
    Listing 12.05 B, the possibility that she could have so
    qualified should not be a grounds that she suffered prejudice.
    III
    The majority’s reasoning, furthermore, threatens to
    undermine the highly deferential standard under which we
    review the Commissioner’s decisions. When presented with
    an appeal from an unsuccessful applicant, we may not
    second-guess the Commissioner’s determination or reverse
    him simply because we disagree with the result. Our
    authority to order relief is more limited: if substantial
    evidence exists in the record to support the agency’s fact-
    bound conclusions, our analysis must generally come to an
    end. Here the majority opinion does not suggest an absence
    of substantial evidence to ballast the ALJ’s nondisability
    finding; rather, it posits that, despite any such substantial
    evidence, the ALJ might have reached an alternative
    conclusion if the record had contained a full set of IQ scores.
    Such holding opens a potentially fatal breach in the
    substantial-evidence framework. Indeed, the majority
    determines that the ALJ committed legal error by not
    developing the record to include a full set of test scores; and,
    indeed, “legal error” is a basis distinct from the lack of
    substantial evidence for reversal.          Nevertheless the
    relationship between these two standards, in the context of the
    ALJ’s legal duty to develop the record, should be apparent
    enough. Claimants previously required to disprove the
    existence of substantial evidence will now plead an
    26             GARCIA V. COMM’S OF SOC. SEC.
    incomplete record and, citing the majority opinion, will assert
    that the outcome of their case “might have been different,”
    maj. op. at 17. Seldom will be the occasion where the ALJ
    could not have examined more reports or ordered more tests.
    In Mayes, we specifically rejected a challenge from a
    claimant who contended, in effect, that substantial evidence
    did not support the ALJ’s denial because he did not
    adequately develop the 
    record. 276 F.3d at 459
    . The
    substantial-evidence standard protects against precisely such
    attacks on the administrative process: the courts may not
    overturn the agency’s findings, substantiated by sufficient
    data, even in the presence of compelling countervailing
    evidence. Claimants ought not be able to circumvent this
    standard by invoking hypothetical evidence that the ALJ
    could have but neglected for one reason or another to
    consider. 
    Id. Our procedure,
    elucidated in McLeod, for
    assessing the prejudice caused by an inadequately developed
    record reinforces these principles. The ALJ’s duty to develop
    “is triggered only” in certain circumstances, 
    Mayes, 276 F.3d at 459
    , and, unlike other contexts, we do not presume
    prejudice until the claimant or the record demonstrates
    otherwise, see 
    McLeod, 640 F.3d at 887
    –88.
    The majority’s doctrinal innovation destabilizes this
    framework, substantially lowering the burden for plaintiffs
    seeking the intervention of the Federal courts in the
    Commissioner’s decision-making processes and portending
    to make substantial-evidence review a dead letter. Such
    result contravenes the precedents of this Court, the intent of
    Congress, and the separation of powers.
    IV
    For the foregoing reasons, I respectfully dissent.