Jacqueline Dent v. DOES/Providence Hospital Sedgwick Claims Management Services, Inc. , 158 A.3d 886 ( 2017 )


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    DISTRICT OF COLUMBIA COURT OF APPEALS
    No. 14-AA-527
    JACQUELINE DENT, PETITIONER,
    V.
    DISTRICT OF COLUMBIA
    DEPARTMENT OF EMPLOYMENT SERVICES, RESPONDENT,
    and
    PROVIDENCE HOSPITAL; SEDGWICK CLAIMS MANAGEMENT SERVICES, INC.,
    INTERVENORS.
    Petition for Review of an Order of the
    Compensation Review Board of the District of Columbia
    Department of Employment Services
    (CRB-101-13)
    (Argued March 26, 2015                                  Decided May 4, 2017)
    Michael J. Kitzman for petitioner.
    Stacy L. Anderson, Senior Assistant Attorney General, with whom Irvin B.
    Nathan, Attorney General for the District of Columbia at the time the brief was
    filed, Todd S. Kim, Solicitor General, and Loren L. AliKhan, Deputy Solicitor
    General, were on the brief, for respondent.
    Sarah M. Burton for intervenors.
    2
    Before BLACKBURNE-RIGSBY*, Chief Judge, MCLEESE, Associate Judge, and
    RUIZ, Senior Judge.
    RUIZ, Senior Judge:    This petition for review challenges the denial of
    Jacqueline Dent‟s claim for workers‟ compensation. Petitioner argues, inter alia,
    that the D.C. Department of Employment Services Compensation Review Board
    (CRB) erred in allowing the Administrative Law Judge (ALJ) to consider the
    absence of wage loss in deciding that she was not permanently partially disabled,
    and, therefore, denying her claim to a schedule award. Squarely addressing the
    question for the first time under the current version of the District of Columbia
    Workers‟ Compensation Act, we hold that the CRB reasonably concluded that
    wage loss (or the absence thereof) may be taken into account, along with other
    factors, in considering whether a claimant is entitled to a schedule award for
    permanent partial disability under the District of Columbia Workers‟
    Compensation Act, 
    D.C. Code § 32-1508
     (3)(S) (2012 Repl.). Specifically, we
    hold that such evidence is a relevant consideration — though not necessary — in
    determining a claimant‟s disability percentage for a schedule award under 
    D.C. Code § 32-1508
     (3)(U-i). We therefore affirm the order of the CRB.
    *
    Chief Judge Blackburne-Rigsby was an Associate Judge of the court at the
    time of argument. Her status changed to Chief Judge on March 18, 2017.
    3
    I.     The Administrative Proceedings
    A. Office of Administrative Hearings (OAH) Hearing
    Petitioner testified that on May 8, 2001, she injured her right shoulder at
    work at Providence Hospital, intervenor in this case, when she fell off her chair
    and hit the desk.    The employer‟s health staff at Providence Hospital gave
    petitioner pain medication and referred her to physical therapy. Ultimately, the
    health staff suggested that petitioner follow up with an orthopedic surgeon.
    Petitioner was tested, diagnosed, and treated by three orthopedic surgeons: Dr.
    Edward Rankin, Dr. Steven Hughes, and Dr. Easton Manderson.
    At the time of the injury in 2001, petitioner was working two 40-hour jobs,
    at Providence Hospital and Howard University Hospital.1 She continued to hold
    both jobs until 2010, when she retired from Providence Hospital, but remained full
    time at Howard University Hospital, even working overtime, leading to 50- to 60-
    1
    At Providence Hospital, petitioner worked as a receptionist/clerk,
    scheduling medical examinations for patients. At Howard University Hospital, she
    was employed as a patient access associate “with duties consisting primarily of
    computer input.”
    4
    hour work weeks. At the hearing on September 18, 2012, petitioner testified that
    she still experienced pain, explaining, “Yes, I am continually having problems with
    my shoulder and my neck. And I‟m having numbness on my right arm, down into
    my fingers.”    Petitioner worked as a patient access associate at Howard and she
    needed to “hit[] the keyboard a little harder” due to the numbness in her right hand.
    At home, petitioner had difficulty vacuuming, caused by the pain in her neck and
    shoulder. She applied heat to her shoulder and neck about four days a week to
    relieve the pain. She testified that she continued to be treated by Dr. Manderson
    for problems with her right shoulder and that he prescribed physical therapy and
    Percocet to relieve her shoulder pain.
    During cross-examination, petitioner described other injuries that she
    suffered while employed at Providence Hospital. In 1999, she injured her back; in
    2010, she injured her lower back and left shoulder. After the 2010 injury, she
    continued to see Dr. Manderson for treatment of her lower back pain but did not
    complain to him about ongoing pain in her right shoulder.2
    2
    In response to a question from intervenor‟s counsel about why petitioner
    did not complain to Dr. Manderson about her right shoulder in 2010 or 2011,
    petitioner testified, “I did not complain to Dr. Manderson because he was not the
    treating physician and I did not have authorization to go to him for my shoulder
    under the guidelines of Providence Hospital.”
    5
    In addition to her testimony, petitioner submitted medical documentation in
    the form of reports by Dr. Hughes, Dr. Rankin, and Dr. Joel Fechter, and an MRI
    of her right shoulder. Dr. Hughes conducted an independent medical evaluation on
    July 5, 2001, and, based on petitioner‟s report that she had no prior injuries to her
    shoulder, opined that petitioner‟s neck and right shoulder symptoms were “causally
    related to the accident of [May 8, 2001],” subject to “subsequent medical records.”
    Dr. Hughes then began treating petitioner and in a progress note dated August 8,
    2001, recommended physical therapy for bursitis-tendinitis of the right shoulder
    and predicted that petitioner should be able to return to unrestricted duties within
    four to six weeks. On November 19, 2001, Dr. Rankin conducted a physical
    examination of petitioner, who complained of continuing pain in her neck that
    radiated down her right arm. After examining petitioner and reviewing an MRI of
    her right shoulder, Dr. Rankin diagnosed petitioner with “mild tendinosis of the
    distal supraspinatus as well [as] a small incomplete tear on the inferior surface.
    The MR[I] of the cervical spine showed some bulging at C5-6.” He prescribed
    physical therapy and Vioxx 50(mg) and placed no restrictions on her work activity.
    Ten years after the work incident, Dr. Fechter took petitioner‟s medical history,
    reviewed x-rays, and conducted a physical examination of petitioner on February
    11, 2011. He concluded that she had a twenty-three percent impairment of her
    upper right extremity:    ten percent impairment under the American Medical
    6
    Association (AMA) guidelines, four percent impairment attributable to pain, and
    an additional nine percent impairment attributable to weakness (3%), loss of
    endurance (3%), and loss of function (3%).
    Providence Hospital submitted records of the independent medical
    examinations of petitioner conducted by Dr. Hughes and Dr. Marc Danziger, and
    medical records from Dr. Manderson, the treating physician.          Dr. Danziger
    conducted an independent medical evaluation of petitioner on June 14, 2011, and
    did not describe any lingering issues from petitioner‟s 2001 right shoulder injury.
    Dr. Hughes conducted an independent medical evaluation of petitioner on
    December 8, 2011, and a re-evaluation on July 25, 2012; both times he concluded
    that petitioner “would qualify for a permanent impairment to the right upper
    extremity of 5% with no apportionment based on available records and history.”3
    Dr. Manderson conducted a series of evaluations from April 30, 2010, to March
    25, 2011, and treated petitioner primarily for lower back pain, which resulted from
    a different workplace injury.     In his reports, Dr. Manderson did not mention
    petitioner‟s right shoulder injury.
    3
    Dr. Hughes conducted the first evaluation pursuant to the Fifth Edition of
    The Guides of Evaluation of Permanent Impairment, published by the American
    Medical Association; the second evaluation applied the Sixth Edition.
    7
    B. ALJ Compensation Order4
    Petitioner argued that she was entitled to a twenty-three percent rating for
    permanent partial disability to her right shoulder and right arm based on Dr.
    Fechter‟s assessment. The employer urged the ALJ to accept the opinion of Dr.
    Hughes, who found that petitioner has a 5% permanent partial disability in the
    upper right extremity.   After considering the medical assessments and factors
    enumerated in 
    D.C. Code § 32-1508
     (3)(U-i)(i)-(v) for schedule awards, the ALJ
    made the following findings of fact:
    I find that [petitioner] was not a credible witness. I find
    that [petitioner] has reached maximum medical
    improvement from her May 8, 2001 work injury to her
    right shoulder. [Petitioner] has a 5 per cent permanent
    partial physical impairment of her right upper extremity.
    I find [petitioner] has no permanent partial disability of
    the right upper extremity based upon factors of pain,
    weakness, atrophy, loss of endurance and loss of
    function. I further find no reliable credible evidence [that
    petitioner‟s] May 8, 2001 work injury has altered her
    capacity to meet personal, social, or occupational
    demands. I find [petitioner] has no permanent partial
    disability of the upper right extremity.
    4
    Providence Hospital made voluntary payments, based on Dr. Hughes‟s
    assessment of 5% permanent partial disability. Petitioner filed an Application for
    Formal Hearing, seeking a higher award.
    8
    AHD No. 12-381, Compensation Order at 3 (July 23, 2013) (emphasis added)
    [hereinafter AHD Order]. The ALJ noted that “[d]isability is an economic and not
    a medical concept and any injury that does not result in loss of wage-earning
    capacity cannot be the foundation for a finding of disability.”      
    Id. at 8
    .   In
    conclusion, the ALJ rejected the claim
    due to the remoteness of her claim, the lack of evidence
    to support her testimony of ongoing symptoms related to
    the injury, lack of medical evidence to support testimony
    that she is currently receiving ongoing treatment related
    to the injury[,] the fact that there have been intervening
    injuries and treatment, and the fact that, with the
    exception of time off due to other injuries, [petitioner]
    has been able to and has continued to work.
    
    Id. at 9
    . Petitioner appealed the ALJ‟s decision to the CRB.
    C. CRB Decision and Order
    On appeal, the CRB considered four issues: whether the ALJ erred in
    considering whether there had been an actual wage loss when assessing petitioner‟s
    claim; whether the ALJ erred in considering the lack of ongoing medical treatment;
    9
    whether the Compensation Order denying petitioner‟s claim was supported by
    substantial evidence; and whether the ALJ improperly accorded the treating
    physician preference to Dr. Hughes‟s opinion.
    The CRB concluded that the ALJ‟s determination that petitioner sustained
    no economic loss resulting from her injury was supported by substantial evidence
    and affirmed the Compensation Order denying any schedule award for permanent
    partial disability. The CRB noted that the ALJ found that petitioner has a physical
    impairment of 5% to her right upper arm, consistent with Dr. Hughes‟s medical
    assessment, but that considering the 10-year history of uninterrupted full-time
    employment since the injury, there was “no evidence that the impairment is likely
    to have any economic or industrial impact.”       The CRB rejected petitioner‟s
    argument that Smith v. District of Columbia Dep’t of Emp’t Servs., 
    548 A.2d 95
    (D.C. 1988), mandated a schedule award for permanent partial disability without
    regard to whether petitioner had suffered a wage loss. The CRB read the statement
    in Smith that “impaired earning capacity need not be proved to receive schedule
    benefits” as referring to the method by which benefits for permanent disability are
    calculated pursuant to a schedule award. The CRB explained that Smith discussed
    “the theoretical underpinnings of schedule awards and how once such an award is
    made, what actually happens in the future is irrelevant to whether a claimant has
    10
    been over or undercompensated by the award that was made, because it is
    „conclusively presumed‟ that the statutory schedule represents the industrial effect
    of the injury.” The CRB noted that “Smith does not say that a claimant‟s actual
    wage loss experience prior to receiving an award under the schedule is irrelevant
    to the making of the prediction regarding future wage loss.” The CRB then cited
    (Carolyn) Jones v. District of Columbia Dep’t of Emp’t Servs., 
    41 A.3d 1219
     (D.C.
    2012), for the proposition that the ALJ can consider the “existence and amount of a
    specific, identifiable loss of wages” in schedule award cases. The CRB concluded
    that “to the extent that such wage loss correlates with or is indicative of loss of
    wage-earning capacity or economic impairment, actual wage loss history (its
    presence or absence) may be considered as a factor by an ALJ in making a
    prediction about the future impact a schedule injury will cause.”         The CRB
    affirmed the ALJ‟s decision that petitioner had no compensable permanent partial
    disability, finding it was supported by substantial evidence and correct legal
    analysis. This petition for judicial review of the agency decision followed.
    II.
    We review the CRB‟s Decision and Order which affirmed the ALJ‟s
    Compensation Order — we do not directly review the ALJ‟s determination on
    11
    appeal.   See (Carolyn) Jones, 41 A.3d at 1221.            Judicial review of an
    administrative decision is limited to determining whether the decision is arbitrary,
    capricious, an abuse of discretion, or otherwise not in accordance with law. See id.
    “We will not affirm an administrative determination that „reflects a misconception
    of the relevant law or a faulty application of the law.‟” Washington Metro. Area
    Transit Auth. v. District of Columbia Dep’t of Emp’t Servs., 
    992 A.2d 1276
    , 1280
    (D.C. 2010) (quoting Georgetown Univ. v. District of Columbia Dep’t of Emp’t
    Servs., 
    971 A.2d 909
    , 915 (D.C. 2009)). “However, „we acknowledge [the CRB‟s]
    expertise and . . . responsibility for administering the Workers‟ Compensation
    Act,‟ and thus „we ordinarily must defer to [its] reasonable interpretations of
    ambiguous provisions in that legislation.‟” Asylum Co. v. District of Columbia
    Dep’t of Emp’t Servs., 
    10 A.3d 619
    , 625 (D.C. 2010) (alteration in original)
    (quoting Howard Univ. Hosp. v. District of Columbia Dep’t of Emp’t Servs., 
    960 A.2d 603
    , 606 (D.C. 2008)).
    In her petition for review, petitioner alleges that the CRB erroneously
    affirmed the ALJ‟s order because the CRB required a schedule award claimant to
    prove impaired earning capacity to receive benefits and permitted the ALJ to
    consider the absence of wage loss in evaluating the evidence of economic
    impairment; erred in allowing the ALJ to consider the character and regularity of
    12
    continuing medical care when assessing the disability percentage of a permanent
    injury; and erred in concluding that substantial evidence supported the ALJ‟s
    finding that petitioner was not a credible witness.
    A. Schedule Awards for Permanent Partial Disability
    and Evidence of Wage Loss
    The principal legal issue presented in this petition for review is whether
    wage loss (or the absence thereof) may properly be taken into consideration in
    deciding whether a claimant is entitled to a schedule award for a permanent partial
    disability based on loss of use.
    Some states permit the introduction of such evidence in determining whether
    to compensate for loss of use of a scheduled member depending on the conceptual
    basis states employ for compensating disability under workers‟ compensation
    statutes: industrial use or physical use. In industrial use jurisdictions a worker‟s
    wages may be considered as a means of measuring an individual claimant‟s post-
    injury ability to engage in work.       7 LEX K. LARSON, LARSON‟S WORKERS‟
    13
    COMPENSATION LAW § 86.04[5] at 86-20, 24 (Matthew Bender, Rev. Ed. 2014).5
    In physical use jurisdictions, loss of use, as “derivative from and equated to the
    concept of [physical] loss, . . . should be judged in purely functional terms, with no
    reference to the impact on the claimant‟s ability to perform his particular work.”
    Id. at 86-22.6 LARSON criticizes the purely physical approach in determining loss of
    use for worker‟s compensation:
    The trouble with these cases is that they assume
    that “loss of use” can be mechanically measured in
    relation to use by some theoretical claimant. They
    assume, in other words, that the concept of “loss of use”
    of the hand has some fixed uniform content as to all
    human beings, regardless of age, sex, skill, or anything
    else. But the very word “use” immediately raises the
    question: use for what? For assembling electronic
    equipment? For delivering a karate chop? For threading
    a needle? For holding a pencil? For lifting a bale of
    cotton? These are all “uses,” after all.
    5
    See, e.g., Mid-Continent Cas. Co. v. Busick, 
    353 S.W.2d 926
    , 928-29 (Tx.
    Civ. App. 1962) (holding that evidence showing worker was able to continue to
    work after injury and earn wages as before injury did not permit finding that
    “member [wa]s so affected as to substantially and materially impair the use thereof
    in the practical performance of its function in the pursuit of a laboring man”).
    6
    See, e.g., General Motors Corp. v. Sligh, 
    133 S.E.2d 56
    , 57 (Ga. Ct. App.
    1963) (reversing award to scheduled member based on consideration of
    employment because award should be “based on [physical] impairment to the
    member, irrespective of the earning ability of a claimant after an accident is
    sustained”) ( internal quotation marks omitted).
    14
    
    Id. at 86-23
    .
    The CRB‟s decision in this case implicitly recognized that the District of
    Columbia is an industrial use jurisdiction when it allowed the ALJ‟s consideration
    of evidence of post-injury wages as a factor in determining petitioner‟s permanent
    partial disability resulting from claimed partial loss of use. The government
    defends the CRB‟s decision, arguing that it is a reasonable interpretation of the
    District of Columbia Workers‟ Compensation Act that is not precluded by this
    court‟s decision in Smith, and is supported by other decisions of this court,
    including (Carolyn) Jones. After examining the language, history, and purpose of
    the relevant portions of the statute, and our jurisprudence interpreting and
    applying the statute, we agree with the CRB that the District of Columbia
    Workers‟ Compensation Act is grounded on principles of industrial use and
    economic impairment, and defer to the CRB‟s reasonable determination that
    consideration of wages is relevant to the industrial use of a scheduled member
    and may be taken into account as a factor in determining the extent of a worker‟s
    loss of use in making a permanent partial disability schedule award under 
    D.C. Code § 32-1508
     (3)(U-i).
    15
    1.    Overview of District of Columbia Workers’ Compensation Act
    It is useful to place the issue presented in this appeal in the context of the
    overall statutory scheme. The District of Columbia Workers‟ Compensation Act
    provides benefits for temporary and permanent disability that results from
    workplace injuries. 
    D.C. Code § 32-1501
     et seq. (2012 Repl.) (D.C. WCA). All
    benefits for temporary disability, whether total or partial, are calculated by
    reference to the claimant‟s actual wages. 
    D.C. Code § 32-1508
     (2) (“In case of
    disability total in character but temporary in quality, 66 2/3% of the employee‟s
    average weekly wages shall be paid to the employee during the continuance
    thereof.”) and (5) (“In case of temporary partial disability, the compensation shall
    be 66 2/3% of the injured employee‟s wage loss . . . .”).
    Once a work injury has stabilized and the worker has reached maximum
    medical improvement, the worker may be entitled to benefits for permanent
    disability. Calculation of permanent disability benefits depends on whether the
    worker is eligible for one of two types of awards: schedule or non-schedule. 
    D.C. Code § 32-1508
     (3)(A)-(U) (schedule award); 
    D.C. Code § 32-1508
     (3)(V) (non-
    schedule award). A non-schedule award involves compensation for disability to a
    16
    part of the body not specified in the schedule award list and is calculated by
    reference to the employee‟s actual wage loss, regardless of whether the permanent
    disability is total or partial. 
    D.C. Code § 32-1508
     (3)(V)(ii). Injuries to the back,
    shoulder, or neck, for example, are subject to non-schedule awards. Compensation
    is calculated with reference to actual wage loss (comparing pre- and post-injury
    wages) and continues for the duration of wage loss attributable to the on-the-job
    injury. 
    D.C. Code § 32-1508
     (3)(V)(ii)I. A schedule award is for injuries to parts
    of the body listed in the statute, e.g., arm, leg, finger, eye. 
    D.C. Code § 32-1508
    (3)(A-R). Unlike the continuing payments for non-schedule awards, compensation
    for schedule awards is based on a one-time prospective assessment of economic
    impact over the life of the injured worker. In the case of permanent total loss or
    total loss of use of a scheduled member of the body, that prospective assessment
    has been legislatively determined and is fixed in the statute by reference to a
    formula: “66 2/3% of the employee‟s average weekly wages” multiplied by the
    number of weeks contained in the schedule award list for the specific part of the
    body. 
    Id.
     In the case of permanent partial loss or loss of use of a scheduled
    member of the body, disability compensation may be made “for proportionate loss
    or loss of use of that member.” 
    D.C. Code § 32-1508
     (3)(S). When evaluating a
    schedule award for such partial loss or loss of use, “the most recent edition of the
    American Medical Association‟s Guides to the Evaluation of Permanent
    17
    Impairment may be utilized, along with the following 5 factors: (i) Pain; (ii)
    Weakness; (iii) Atrophy; (iv) Loss of endurance; and (v) Loss of function.” 
    D.C. Code § 32-1508
     (3)(U-i). These five factors, along with evidence of physical
    impairment, are used to determine a claimant‟s disability percentage. Once this
    percentage of loss of use has been determined, it is then applied to the amount
    fixed in the statute for total loss or loss of use of the scheduled member to calculate
    the one-time permanent partial disability award for proportionate loss of use. It is
    the determination of the percentage of loss of use of a member that is to be
    employed as a variable in the formula for calculating a schedule award that is at
    issue in this case.
    The D.C. WCA‟s schedule award provision is based on both the U.S.
    Longshoremen‟s and Harbor Workers‟ Compensation Act (“LHWCA”) and the
    Maryland Workers‟ Compensation Act, so we review the history and interpretation
    of the schedule award section of these acts in interpreting the D.C. WCA. See 2B
    SUTHERLAND, STATUTES        AND   STATUTORY CONSTRUCTION § 52:2 (Norman J.
    Singer & J.D. Shambie Singer eds., 7th ed. 2015) (“When a state legislature adopts
    a statute which is identical or similar to one in another state or country, courts of
    the adopting state usually adopt the original jurisdiction‟s construction.”).
    18
    The LHWCA, enacted by Congress in 1927, was made applicable to workers
    in the private sector of the District of Columbia when Congress enacted legislation
    specific to the District of Columbia that incorporated the LHWCA provisions, the
    Workmen‟s Compensation Act of 1928, Pub. L. No. 70-419, §§ 1-3, 
    45 Stat. 600
    (1928) (codified at 
    D.C. Code §§ 36-501
    , -502 (1973)); see Carey v. Crane Serv.
    Co., 
    457 A.2d 1102
    , 1103 n.2 (D.C. 1983). The LHWCA defines “disability” as
    “incapacity because of injury to earn the wages which the employee was receiving
    at the time of injury in the same or any other employment.” 
    33 U.S.C. § 902
     (10)
    (2012) (originally enacted as Act of March 4, 1927, ch. 509, § 2 (10), 
    44 Stat. 1424
    , 1425).7 The LHWCA provides for both schedule and non-schedule awards.
    See 
    33 U.S.C. § 908
     (c)(1)-(19) (2012) (schedule award), (21) (non-schedule
    award). In the case of schedule awards, it provides that “[c]ompensation for
    permanent partial loss or loss of use of a member may be for proportionate loss or
    loss of use of the member.” 
    33 U.S.C. § 908
     (c)(19) (originally enacted as Act of
    March 4, 1927, ch. 509, § 8 (c)(19), 
    44 Stat. 1424
    , 1428). The Supreme Court has
    observed, in dictum, that “evidence of loss of wages or wage-earning capacity was
    considered irrelevant in cases of permanent partial disability falling within the
    7
    The LHWCA‟s current definition of “disability” also contains a
    modification not relevant to this case, but the quoted portion remains unchanged
    from the original definition contained in the 1927 Act.
    19
    schedule provisions.” Potomac Elec. Power Co. v. Dir., Office of Workers’ Comp.
    Programs, U.S. Dep’t of Labor, 
    449 U.S. 268
    , 276-77 (1980) (referring to
    LHWCA, 
    44 Stat. 1424
    , as amended, 
    33 U.S.C. §§ 901-950
     (1976 ed. and Supp.
    III)).8
    In 1980, the Council of the District of Columbia enacted the Workers‟
    Compensation Act of 1979, D.C. Law 3-77, 
    27 D.C. Reg. 2503
     (1980) (codified at
    
    D.C. Code § 32-1501
     et seq. (2012 Repl.), formerly 
    D.C. Code § 36-301
     et seq.
    (1981)), and repealed all earlier workers‟ compensation legislation applicable to
    the District. See Carey, 
    457 A.2d at
    1103 n.2. The Council intended to “amend[]
    the D.C. Code which incorporate[d] by reference the [LHWCA].” D.C. Council,
    8
    The Court‟s observation regarding § 908 (c)(19) of the LHWCA was
    dictum because the PEPCO case dealt with the distinct, albeit related, issue of
    “whether a permanently partially disabled employee, entitled to compensation
    under the statutory schedule, may elect to receive a larger recovery . . . measured
    by the actual impairment of wage-earning capacity caused by his injury.” 
    449 U.S. at 270
    . The Court made the observation noted in the text above to bolster its literal
    interpretation of the LHWCA as providing two mutually exclusive compensation
    systems for workplace injuries: one for injuries to members of the body listed on
    the schedule and another for all other injuries. See 
    id. at 273-80
    . The D.C. WCA
    also has been interpreted as providing two different and exclusive compensation
    systems, schedule and non-schedule, for workplace injuries. See Lenaerts v.
    District of Columbia Dep’t of Emp’t Servs., 
    545 A.2d 1234
    , 1236-39 (D.C. 1988).
    Neither PEPCO nor Lenaerts dealt with the specific issue before the court in this
    appeal: whether evidence of actual wages, as an indicator of wage-earning
    capacity, may be taken into account in determining whether there is permanent
    partial disability for a schedule award.
    20
    Report on Bill 3-106 at 2 (Jan. 16, 1980) (hereinafter PS/CA Committee Report).
    The Council Committee on Public Service and Consumer Affairs (PS/CA
    Committee) believed that the District‟s administration of the D.C. WCA would
    “result in lower costs through more efficient administration and more careful
    consideration of claims.”9      
    Id.
       According to the PS/CA Committee, two
    “objectives of the workmen compensation act are: (1) replacement of wages lost
    by disabled workers; [and] (2) restoration of earning capacity and return to
    productive employment . . . .” Id. at 6-7.
    The D.C. WCA largely adopted provisions of the LHWCA, including the
    provision for schedule awards for permanent partial disability that the Supreme
    Court generally observed did not include consideration of loss of wages or wage-
    earning capacity. See supra note 8 and accompanying text. There is no indication
    in the PS/CA Committee Report, however, that the Council was aware of that
    interpretation of the comparable LHWCA provision.10 The D.C. WCA‟s definition
    9
    The D.C. Council referred the D.C. WCA to the D.C. Council Committee
    on Housing and Economic Development; the PS/CA Committee proposed
    amendments to the D.C. WCA. See PS/CA Committee Report at 1, 8.
    10
    It is important to note that PEPCO was not decided by the Supreme Court
    until December 1980, after the D.C. Council enacted the D.C. WCA earlier that
    year; however, the Second Circuit‟s interpretation of the LHWCA, cited in
    (continued . . .)
    21
    of “disability” is also substantially similar to the LHWCA‟s: “„[d]isability‟ means
    physical or mental incapacity because of injury which results in the loss of wages.”
    D.C. Workers‟ Compensation Act of 1979, Act 3-188 at 3 (May 14, 1980); 
    D.C. Code § 32-1501
     (8) (2012 Repl.). At the time, an ALJ could adopt a strictly
    medical analysis of impairment without an obligation to conduct an independent
    analysis of an impairment‟s economic impact. See, e.g., Washington Metro. Area
    Transit Auth. v. District of Columbia Dep’t of Emp’t Servs., 
    683 A.2d 470
    , 473,
    477-78 (D.C. 1996) (affirming treating physician‟s 5% disability rating for legs
    based on reasonable mathematical conversion derived from physician‟s 20%
    disability rating for body as a whole, noting that “claimant qualifies for a schedule
    award regardless of whether the claimant actually suffers a wage loss as a
    (. . . continued)
    PEPCO, predates the Council‟s enactment. See PEPCO, 
    449 U.S. at 276-77
    , 277
    n.15 (citing Travelers Ins. Co. v. Cardillo, 
    225 F.2d 137
    , 143-44 (2d Cir. 1955)).
    The PS/CA Committee Report does not indicate that the Council knew of the
    Second Circuit‟s decision in Travelers Ins. Co. interpreting the LHWCA schedule
    provisions as excluding evidence of wage-earning capacity. We also observe that
    as in PEPCO, the decision in Travelers Ins. Co. did not address the question of
    how the percentage of disability should be determined and whether evidence of
    wage loss is relevant to that determination. See generally 
    225 F.2d at 143-44
    .
    Although the courts‟ rationale can be read as suggesting the answer is no, the
    judicial mind was not applied in those cases to the specific question we face here,
    nor do the cases deal with the potential tension between the LHWCA‟s definition
    of “disability” in terms of “incapacity to earn the wages which the employee was
    receiving at the time of injury” and the courts‟ statements that “evidence of loss of
    wages or wage-earning capacity was considered irrelevant” in making awards for
    permanent partial disability that fall under the schedule. In any event, the language
    of the D.C. WCA has since diverged from that of the LHWCA, as discussed infra.
    22
    consequence of the disability”). Thus, the pre-1998 D.C. WCA appears to have
    been interpreted as considering only physical consequences of an injury in making
    schedule awards. See DeShazo v. District of Columbia Dep’t of Emp’t Servs., 
    638 A.2d 1152
    , 1156 (D.C. 1994) (“The assumption underlying this approach is that,
    although the claimant may be able to continue working, the impact of the injury
    causing a permanent partial disability sooner or later will take its toll, and that the
    scheduled benefit will be an appropriate, if arbitrary, compensation to offset wage
    losses that eventually can be anticipated.”).
    This method for calculating permanent partial loss and loss of use for
    schedule awards continued until 1998, when the D.C. WCA was amended to
    require an ALJ to consider the “American Medical Association Guidelines along
    with 5 other factors to evaluate permanent injuries.” Workers‟ Compensation
    Amendment Act of 1998, D.C. Act 12-571 at 1, 3 (Dec. 23, 1998).                   The
    amendment followed Maryland‟s five-factor approach to determining permanent
    partial disability. See MD. CODE ANN., LAB. & EMPL. § 9-721 (b) (West 2015).
    Maryland first adopted the five-factor (pain, weakness, atrophy, loss of endurance,
    and loss of function) analysis pursuant to the AMA‟s recommendation that courts
    should not rely exclusively on medical opinions of physical impairment in deciding
    whether a disability exists for purposes of workers‟ compensation. See Getson v.
    23
    WM Bancorp, 
    694 A.2d 961
    , 968 (Md. 1997) (“The Commission must do more
    than merely adopt medical evaluations of anatomical impairment; the Commission
    must assess the extent of the loss of use by considering how the injury has affected
    the employee‟s ability to do his or her job.”). The D.C. Council also took heed of
    the AMA‟s recommendation in eschewing exclusive reliance on a medical analysis
    of impairment and adopted the Maryland factors for determining permanent partial
    disability in schedule awards. D.C. Council, Report on Bill 12-192 at 8 (Oct. 29,
    1998) (“[T]he Committee heeds the AMA warning and adopts the Maryland
    approach to determine disability, which includes the use of multiple factors.”).11
    The 1998 amendment to the WCA, which adopts consideration of the
    Maryland factors in addition to the AMA guidelines, squarely rejected a pure
    physical impairment approach in “determining disability” for schedule awards.
    
    D.C. Code § 32-1508
     (3)(U-i). The question then is whether this new approach to
    disability determination permits the CRB‟s interpretation that evidence of wage
    loss (or the absence thereof) may be considered in determining a claimant‟s
    disability percentage for the purpose of making a schedule award for permanent
    11
    This change marks a substantial deviation from the LHWCA, which does
    not contain language requiring consideration of similar factors in determining
    permanent partial disability for schedule awards. As such, our analysis does not
    rely on cases interpreting the LHWCA. See supra note 10.
    24
    partial disability. This court has not directly addressed the issue, but as the CRB
    noted in its decision in petitioner‟s case, we have intimated that the answer is yes.12
    We turn to examine the CRB‟s decision in this case to determine whether it
    presents a reasonable answer that merits our deference.
    2.     The CRB’s Decisions
    Ordinarily, to determine whether we should defer to the CRB‟s decision in
    this case, we would simply review the decision that has been appealed and
    examine whether it reasonably applies the law and is supported by substantial
    evidence. (Carolyn) Jones, 41 A.3d at 1221. However, petitioner directs our
    attention to, and urges us to follow instead, an earlier decision by the CRB —
    12
    In (Carolyn) Jones, 41 A.3d at 1225, we held that we could not conduct a
    meaningful judicial review of the CRB‟s decision affirming the ALJ‟s
    Compensation Order where the ALJ had not adequately explained how she reached
    a seven percent disability award for permanent injury to the claimant‟s knee, which
    is compensable under the schedule. In our remand order, we suggested that the
    ALJ could consider wage loss evidence. See id. at 1226 (“We also know that the
    ALJ was properly aware that the disability determination was not the same as
    physical impairment, and required a determination of economic wage loss.”); id. at
    1226 n.7 (“Although neither the ALJ nor the parties have referred to the relative
    amounts petitioner received from her full-time and part-time employment, we note
    that there are documents in the record (one from employer‟s counsel) that
    petitioner‟s wages from her part-time work [that were lost as a result of the work
    injury] comprised approximately 20% of her overall earnings.”).
    25
    Corrigan v. Georgetown Univ., CRB No. 06-094, 2007 D.C. Wrk. Comp. LEXIS
    364 (Sept. 14, 2007) (en banc), which we discuss more fully infra — that came to
    the opposite conclusion of the CRB‟s decision in this case.         Before we can
    determine whether the CRB‟s decision in this case merits deference, therefore, we
    must examine petitioner‟s reliance on Corrigan.
    In Corrigan, the CRB, sitting en banc, squarely addressed the issue before us
    today: whether wage loss should be considered when evaluating the extent of loss
    of use in determining permanent partial disability for a schedule award. The CRB
    cited several opinions by this court and the agency and noted that, unlike the
    Maryland statute, the D.C. WCA does not employ the phrase “industrial use.” Id.
    at *30; see, e.g., MD. CODE ANN., LAB. & EMPL. § 9-627 (k)(1) (West 2015). This
    difference, the CRB stated, is important because “industrial loss of use and effect
    upon industrial capacity in other jurisdictions has been equated with loss of wage
    earning capacity.” Corrigan, 2007 D.C. Wrk. Comp. LEXIS 364 at *30 (internal
    quotation marks omitted). The CRB ultimately concluded that wage loss could not
    be taken into account in determining the extent of disability because under the D.C.
    WCA, a “specific [worker‟s] loss [of use of a scheduled member] is to be
    determined without reference to the claimant‟s earning capacity or ability to return
    to work. . . . Compensation is paid if the loss has been incurred, and it is not
    26
    relevant whether the worker can work after the loss.”13 Id. at *31. There is no
    published opinion of this court that has affirmed (or even discussed) the CRB‟s
    decision in Corrigan.
    In 2012, five years after the CRB decided Corrigan, a CRB panel decided
    Al-Robaie v. Fort Myer Constr. Co., CRB No. 10-014, 2012 D.C. Wrk. Comp.
    LEXIS 250 (June 6, 2012). In Al-Robaie, the CRB vacated the ALJ‟s decision that
    the claimant was not entitled to a schedule award because she had not reached
    maximum medical improvement where the unanimous medical opinion was to the
    contrary. Id. at *3-*6. In remanding the case, the CRB cited this court‟s decisions
    in Smith and (Carolyn) Jones as supporting the proposition that the ALJ should
    “reconsider the Claimant‟s request for permanent partial disability benefits without
    any consideration of wage loss except to the extent that such wage loss correlates
    with or is indicative of loss of wage earning capacity or economic impairment.”
    Id. at *5-*6 & n.7.
    13
    Although the CRB forbade the use of wage loss in assessing the extent of
    disability and eschewed the notion of industrial loss of use, it also stated that
    physical impairment could be taken into account in determining its impact on the
    “ability to earn wages.” Id. at *34.
    27
    In the case that is before us for review, the CRB panel affirmed the ALJ‟s
    Compensation Order, stating, as it had in Al-Robaie, that “wage loss [can be
    considered] to the extent that such wage loss correlates with or is indicative of loss
    of wage earning capacity or economic impairment.” Dent v. Providence Hosp.,
    CRB No. 13-101, 2014 D.C. Wrk. Comp. LEXIS 234 at *11-*12 (May 7, 2014)
    (emphasis omitted) (quoting Al-Robaie, 2012 D.C. Wrk. Comp. LEXIS 250 at *6).
    The CRB cited this court‟s opinion in (Carolyn) Jones and two subsequent CRB
    opinions, including Al-Robaie, for the proposition that “the absolute prohibition
    upon consideration of the existence and amount of a specific, identifiable loss of
    wages in a particular case is no longer the law in this jurisdiction . . . .” Id.14 As
    14
    The “absolute prohibition” referred to by the CRB in Dent is an implicit
    reference to Corrigan‟s exclusion of evidence of actual wage loss in determining
    the extent of permanent partial disability for schedule awards. The CRB went en
    banc, twice, to decide whether “the CRB‟s decision in [Corrigan was] abrogated or
    modified by [(Carolyn) Jones].” Notice of En Banc Review, Hoepfl v. Washington
    Metro. Area Transit Auth., CRB No. 13-119 (Nov. 1, 2013); Notice of En Banc
    Review, Jackson v. Washington Hosp. Ctr., CRB No. 13-068 (Nov. 1, 2013). The
    CRB‟s decision in Dent was stayed pending disposition of the en banc cases,
    which had reached opposing conclusions regarding the continued validity of
    Corrigan, but they were ultimately decided without resolving the question. Hoepfl
    v. Washington Metro. Area Transit Auth., CRB No. 13-119, 2014 D.C. Wrk.
    Comp. LEXIS 154 at *19 (Apr. 7, 2014) (remanding to reopen the record for
    additional evidence); Jackson v. Washington Hosp. Ctr., CRB No. 13-068, 2014
    D.C. Wrk. Comp. LEXIS 179 at *20 (May 30, 2014) (affirming award for
    permanent partial disability although ALJ found no medical impairment). More
    recently, the CRB has explicitly stated that “Corrigan no longer represents the
    applicable law, and hasn‟t since” Al-Robaie. See, e.g., Lee v. Marriott Corp., CRB
    No. 15-134, 2016 D.C. Wrk. Comp. LEXIS 109 at *6 (Mar. 9, 2016); El Masaoudi
    (continued . . .)
    28
    set out supra, the CRB explained that this court‟s opinion in Smith does not
    preclude and (Carolyn) Jones, 41 A.3d at 1224-26, 1226 n.7, supports the
    conclusion that there is no such prohibition.
    The CRB‟s decision in this case, taken together with its decision in Al-
    Robaie, indicates a recognition by the CRB that the principle it espoused in
    Corrigan — that evidence of actual wage loss is irrelevant in determining a
    schedule award under the D.C. WCA — is in tension with this court‟s decision in
    (Carolyn) Jones, which is binding on the CRB. Thus, the CRB‟s decision to
    abandon Corrigan was not arbitrary, but reasoned, based on its interpretation of
    Smith and (Carolyn) Jones.         As a result, under established principles of
    administrative law, our inquiry is not whether Corrigan was correct;15 rather, the
    question for the court is whether the CRB‟s decision in this case, following Al-
    Robaie, reflects a reasonable interpretation of the D.C. WCA that merits our
    (. . . continued)
    v. UNO Chicago Grill, CRB No. 15-093, 2015 D.C. Wrk. Comp. LEXIS 605 at *8
    (Oct. 15, 2015).
    15
    The Department of Employment Services, represented by the Office of
    the Attorney General of the District of Columbia, filed a brief on the merits and
    participated in oral argument in this case. It does not defend (or indeed cite)
    Corrigan, so we see no need to address it as a matter of judicial deference to an
    agency interpretation.
    29
    deference. We conclude that it does.16
    3. The CRB’s Decision in This Case Is Reasonable
    In this case, as in Al-Robaie, the CRB allowed the ALJ to consider evidence
    of the claimant‟s actual wage history in making a schedule award, to “the extent to
    16
    This division is aware of the CRB‟s decision in (Kevatte) Jones v.
    Washington Metro. Area Transit Auth., CRB No. 13-095, 2014 D.C. Wrk. Comp.
    LEXIS 236 (June 10, 2014), issued shortly after the CRB‟s decision in this case, in
    which the CRB relied on Corrigan‟s categorical rule that wages are irrelevant in
    determining disability for schedule awards. In that case the ALJ denied the
    claimant‟s proffer of evidence of her prior employment as a deputy sheriff as part
    of her “industrial history.” The claimant argued the evidence was relevant to the
    ALJ‟s determination of the extent of her disability for a schedule award, because,
    as a result of the injuries she sustained while employed as a bus driver, she lost
    wage-earning capacity as she could no longer meet the requirements for a higher-
    paying position in law enforcement even though she was able to resume driving a
    bus. A divided panel of the CRB affirmed the Compensation Order, agreeing with
    the ALJ‟s exclusion of evidence of the claimant‟s prior employment history. A
    majority of the CRB panel referred to Corrigan‟s prohibition on considering “the
    claimant‟s earning capacity or ability to return to work” in determining “specific
    loss” (i.e., the percentage loss or loss of use of a scheduled member) because
    “compensation is paid if the loss has been incurred, and it is not relevant whether
    the worker can work after the loss.” Id. *9 (quoting Corrigan, 2007 D.C. Wrk.
    Comp. LEXIS 364 at *30-*31). One of the panel members disagreed. See id. at
    *14-*17 (Leslie, AAJ, dissenting) (noting that each claim for disability presents “a
    complex of factors” to be considered by the ALJ and explaining that “[p]rior
    vocational history can be a relevant factor in determining how the industrial
    accident has impaired Claimant‟s ability to earn income (i.e., potential for wage
    loss)”). On petition for review of the CRB‟s decision, the court today remands the
    case to the CRB for further consideration. (Kevatte) Jones v. District of Columbia
    Dep’t of Emp’t Servs., No. 14-AA-696 (D.C. May 4, 2017).
    30
    which such wage loss correlates with or is indicative of loss of wage earning
    capacity or economic impairment.” We conclude that the CRB‟s decision is based
    on a reasonable interpretation of an ambiguous provision in the D.C. WCA and
    thus merits our deference. There are several reasons why we so conclude. We
    begin with the plain language of the text, which is the first step in interpreting a
    statute. See Eaglin v. District of Columbia, 
    123 A.3d 953
    , 955 (D.C. 2015). The
    specific provision at issue in this case provides that “[c]ompensation for permanent
    partial loss or loss of use of a member may be for proportionate loss or loss of use
    of the member.” 
    D.C. Code § 32-1508
     (3)(S). It neither mandates nor prohibits
    consideration of evidence of actual wages in determining a claimant‟s
    “proportionate . . . loss of use.” Thus, the CRB‟s decision to consider evidence of
    a claimant‟s post-injury loss of wages in determining whether the claimant has
    suffered “proportionate . . . loss of use” is permissible if supported by other
    indicators of statutory interpretation.
    Second, the 1998 amendment of the D.C. WCA provided further direction in
    how to “determin[e] disability” in making schedule awards for permanent partial
    disability by listing five factors — pain, weakness, atrophy, loss of endurance, and
    loss of function — in addition to physical impairment. 
    D.C. Code § 32-1508
    (3)(U-i). As “disability” is defined in the D.C. WCA in economic terms — as
    31
    “incapacity because of injury which results in the loss of wages,” 
    D.C. Code § 32
    -
    1501 (8) — it makes sense to interpret “[l]oss of function,” for example, as
    incorporating at least in part the notion of a loss of economic function. Applying
    the Maryland factors, in Getson the Maryland Court of Appeals provided as an
    example of the proper consideration of disability a workplace injury suffered by a
    freight checker and a pianist that results in amputation of both thumbs — a
    schedule award under both the Maryland and District of Columbia workers‟
    compensation acts — that would yield significantly different disability ratings
    depending on the ability to return to “pre-accident duties . . . [n]otwithstanding the
    similarity of the injuries. . . .” Getson, 694 A.2d at 968 (internal quotation marks
    omitted). Evidence of wage loss could similarly be connected to any of the other
    factors listed in the statute to the extent that there is a logical nexus between wages
    and the factor at issue. For example, a worker may be able to continue to work,
    but not full-time, because of pain, weakness, or loss of endurance. Thus, the
    CRB‟s determination that evidence of wages — either wage loss or the ability to
    maintain the same level of wages post-injury — is relevant in determining a
    claimant‟s disability percentage for a schedule award has support in the text of the
    statute.
    Third, the CRB‟s decision to permit consideration of evidence of actual
    32
    wage loss as a factor in determining a claimant‟s permanent disability percentage
    for a schedule award is consonant with two of the D.C. WCA‟s objectives:
    “replacement of wages lost by disabled worker[s]” and “restoration of earning
    capacity and return to productive employment.” PS/CA Committee Report at 6-7.
    We have repeatedly commented that this economic orientation is reflected in the
    D.C. WCA‟s definition of disability, which establishes a link between mental or
    physical incapacity because of injury and a resulting wage loss. 
    D.C. Code § 32
    -
    1501 (8). As this court noted in Smith, 
    548 A.2d at 100
    , “compensation under the
    Act is predicated upon the loss of wage earning capacity, or economic impairment,
    and not upon functional disability or physical impairment.” In Negussie v. District
    of Columbia Dep’t of Emp’t Servs., 
    915 A.2d 391
    , 396-99 (D.C. 2007), this court
    relied on the legislative history of the 1998 amendment, Smith, and Maryland cases
    to explain that the ALJ is not bound by medical assessments of physical
    impairment when calculating a disability percentage for schedule awards, which
    are intended to compensate for economic loss. This court held:
    ALJs have discretion in determining disability percentage
    ratings and disability awards because, as used in the Act,
    “disability” is an economic and legal concept which
    should not be confounded with a medical condition, and
    . . . in this case the ALJ erred by following decisions of
    the Director of DOES that require ALJs to choose a
    disability percentage rating provided either by the
    claimant‟s or the employer‟s medical examiner.
    33
    
    Id. at 398-99
     (emphasis added). Numerous statements by this court emphasize that
    “[d]isability . . . is an economic concept rather than a medical condition.”
    Washington Post v. District of Columbia Dept. of Emp’t Servs., 
    853 A.2d 704
    , 707
    (D.C. 2004) (citing Washington Post v. District of Columbia Dept. of Emp’t Servs.,
    
    675 A.2d 37
    , 41 (D.C. 1996)); see also Potomac Elec. Power Co. v. District of
    Columbia Dep’t of Emp’t Servs., 
    835 A.2d 527
    , 531 (D.C. 2003) (“Disability is an
    economic and not a medical concept.”) (quoting Harris v. District of Columbia
    Dep’t of Emp’t Servs., 
    746 A.2d 297
    , 301 (D.C. 2000)); Upchurch v. District of
    Columbia Dep’t of Emp’t Servs., 
    783 A.2d 623
    , 627 (D.C. 2001) (“Disability is an
    economic and not a medical concept, and any injury that does not result in loss of
    wage-earning capacity cannot be the foundation for a finding of disability.”);
    Smith, 
    548 A.2d at 101
     (“A schedule award is intended to compensate only for
    economic, not physical, impairment.”). We have recently decided that the five
    Maryland factors are limited to proving loss of wage-earning capacity and do not
    encompass impairments to a claimant‟s personal and social life “because those are
    beyond the economic scope of the act.” M.C. Dean, Inc. v. District of Columbia
    Dep’t of Emp’t Servs., 
    146 A.3d 67
    , 77 (D.C. 2016) (citing Smith, 
    548 A.2d at 100
    ,
    and Upchurch, 
    783 A.2d at 627
    ). Using evidence of actual wages in applying the
    statutory factors to determine a claimant‟s disability percentage for a schedule
    34
    award furthers the legislative objective of compensating claimants for the
    economic harm of loss of wage-earning capacity.           As Professor Larson has
    commented, “[i]t is earning capacity that should be crucial; actual wage-loss is
    significant as the best evidence of loss of earning capacity, but obviously some
    adjustment based on what the worker is „able to earn‟ must be made[.]” Arthur
    Larson, The Wage-Loss Principle in Workers’ Compensation, 6 WM. MITCHELL L.
    REV. 501, 525 (1980) [hereinafter Larson, Wage-Loss Principle].
    Fourth, the CRB‟s determination to permit consideration of the actual impact
    on wages in determining the extent of “proportionate” loss or loss of use in a case
    of permanent partial disability provides a useful tool for ALJs tasked with
    exercising discretion based on the understanding that „“disability‟ is an economic
    and legal concept.”     Negussie, 
    915 A.2d at 398-99
    .        There is an important
    distinction between determining the extent of disability by taking account of pre-
    and post-injury wages as a factor to be considered by the ALJ in applying this
    economic concept and calculating the amount of disability compensation using the
    formula prescribed in the statute after the extent of disability has been found. The
    former is a finding of fact by the ALJ of the percentage loss of industrial use of the
    schedule member (0 - 100%) based on a weighing of the facts relevant to the
    individual claimant, whereas the latter is a straightforward mathematical
    35
    calculation that uses the ALJ‟s finding of percentage loss of use as part of a
    statutory formula (% loss of use X 2/3 average weekly wage X number of weeks
    fixed in the statute for the schedule member). It is the latter method of calculating
    the amount of compensation as provided in the statute that we have said is not
    subject to alteration or dependent on actual wage loss because it reflects a
    conclusive legislative determination of the likely eventual loss of wage-earning
    capacity in case of loss or loss of use of the parts of the body specified in the
    schedule. See DeShazo, 
    638 A.2d at 1156
     (noting that “scheduled benefit will be
    an appropriate, if arbitrary, compensation to offset wage losses that eventually can
    be anticipated”); Smith, 
    548 A.2d at 101
     (quoting LARSON for proposition that “the
    schedule was never intended to be a departure from or an exception to the wage-
    loss principle”); Lenaerts v. District of Columbia Dep’t of Emp’t Servs., 
    545 A.2d 1234
    , 1236-39 (D.C. 1988) (distinguishing between different and mutually
    exclusive formulas for calculating compensation for schedule and non-schedule
    work injuries).
    None of the foregoing should be read to imply that evidence of wage loss is
    either necessary or sufficient to justify a schedule award for permanent partial
    disability, however. We do not read the CRB‟s decision as conferring any special
    weight to evidence of wage loss, or the absence thereof. Such evidence is merely
    36
    one factor that may be considered by the ALJ and the CRB in making a schedule
    award for permanent partial disability to compensate for loss of wage-earning
    capacity. As the D.C. WCA permits consideration of the AMA guidelines as well
    as the five Maryland factors in making that predictive judgment, 
    D.C. Code § 32
    -
    1508 (3)(U-i), it is quite possible that a claimant could recover a schedule award
    for permanent partial disability despite evidence that the claimant has experienced
    no actual wage loss, as a result of a showing of some combination of physical
    impairment under the AMA guidelines, pain, weakness, atrophy, loss of endurance,
    or loss of function that support a finding that a claimant‟s wage-earning capacity
    has been, or is likely to be, compromised. Contrariwise, it is possible that a
    claimant could fail to recover a schedule award despite evidence that the claimant
    experienced actual wage loss, if the remaining evidence points in favor of finding
    either no physical or mental incapacity caused by the workplace injury or an
    insufficient link between the incapacity and wage loss, as required by the definition
    of disability.
    The ALJ‟s ability to come to a considered judgment of the extent of
    permanent partial disability is particularly important in the context of a schedule
    award. Because a schedule award is a one-time payment meant to compensate for
    the loss of future wage-earning capacity resulting from a work injury, it necessarily
    37
    involves an element of “prediction.”     See (Carolyn) Jones, 41 A.3d at 1224.
    Determining the extent of disability thus requires a highly fact-bound inquiry that
    takes into account the particulars of the individual claimant, such as employment
    skills, experience, age, education, and reasonable prospects; evidence of post-
    injury wages, compared with pre-injury wages, may be more or less probative of
    loss of future wage-earning capacity depending on the facts of the case. It is for
    the ALJ to consider and weigh the relevant evidence presented in a given case. See
    id. (“[R]ecognizing that in making a legal determination of disability, the ALJ
    comes to a conclusion based on a complex of factors, taking into account physical
    impairment and potential for wage loss, and the application of judgment based on
    logic, experience and even „prediction.‟”); Larson, Wage Loss Principle at 524 n.
    94 („“The loss of earning capacity‟ concept leaves room for adjustment in both pre-
    and post-injury earnings, to arrive at an accurate representation of true impact
    attributable to the injury. For example, allowances may be made for economic
    increases in wage levels, for changes in the claimant‟s age, training, or hours, for
    distortion of wage by employer sympathy, or for the impermanence of particular
    post-injury earnings.”).
    In this case, for example, the ALJ had the benefit of a long course — ten
    years of continued full-time employment after the injury, without any sign of
    38
    letting up or wage loss — to draw upon as one factor in determining that the 5%
    physical impairment of the arm had not had any impact on petitioner‟s ongoing
    capacity to earn wages. The ALJ did not use “the ups and downs of actual wages,”
    DeShazo, 
    638 A.2d at 1156
    , to dictate the question of permanent partial disability
    in calculating the schedule award but rather took the petitioner‟s extended work
    history into account, along with the consequence of the injury on all aspects of
    petitioner‟s life, and finding none, came to the ultimate judgment that petitioner
    was not disabled for purposes of workers‟ compensation.
    In light of the foregoing analysis, we conclude that the CRB‟s Decision and
    Order affirming the ALJ‟s Compensation Order was based on a reasonable
    interpretation of the D.C. WCA.
    B. Evidence of Continuing Medical Care
    Petitioner argues that the CRB erred in affirming the ALJ‟s consideration of
    the character and regularity of the medical care petitioner received for her shoulder
    injury when assessing her disability.         The government first contends that
    petitioner‟s argument is precluded by the invited error doctrine; in the alternative,
    it argues that the CRB properly affirmed the ALJ‟s use of those factors. Since the
    39
    CRB did not rely on the invited error doctrine, this court cannot do so on appeal.
    See Bowles v. District of Columbia Dep’t of Emp’t Servs., 
    121 A.3d 1264
    , 1269
    (D.C. 2015) (“An administrative order can only be sustained on the ground relied
    on by the agency.”) (internal quotation marks omitted). Addressing the merits, we
    conclude that the CRB properly found that the ALJ could consider those factors.
    Petitioner‟s argument is two-fold: that continuing medical care is not
    required to prove the existence of a permanent partial disability because the
    underlying injury is permanent, and that the ALJ‟s reliance on the absence of
    medical records of continuing treatment was therefore erroneous. Petitioner is
    correct that such evidence is not required because an impairment must reach
    “maximum medical improvement” prior to an award for permanent disability,
    meaning that no further treatment will improve the underlying injury. See Logan v.
    District of Columbia Dep’t of Emp’t Servs., 
    805 A.2d 237
    , 241 (D.C. 2002) (citing,
    inter alia, 4 ARTHUR LARSON, LARSON‟S WORKERS‟ COMPENSATION LAW § 80.04,
    at 80-13 (Matthew Bender ed. 2002) (“Permanent means lasting the rest of
    claimant‟s life. A condition that, according to available medical opinion, will not
    improve during the claimant‟s lifetime is deemed to be a permanent one.”)). That
    the evidence is not required, however, does not mean that it is irrelevant, as the
    nature and regularity of continuing medical care after the injury has stabilized may
    40
    be useful information in assessing the statutory factors of pain, weakness, atrophy,
    loss of endurance, and loss of function that contribute to the calculation of the
    extent of disability caused by a permanent injury. Evidence of continuing medical
    care is routinely presented to support (or deny) the existence of a disabling
    condition. If the character or regularity of medical care were not admissible,
    claimants could no longer rely on medical records to corroborate that they have
    continued to experience pain, weakness, atrophy, loss of endurance, or loss of
    function even after their injury reached maximum medical improvement. This
    court has noted that a “dearth of evidence of medical analysis and treatment” is
    significant when assessing whether a claimant is entitled to a schedule award.
    Golding-Alleyne v. District of Columbia Dep’t of Emp’t Servs., 
    980 A.2d 1209
    ,
    1217 (D.C. 2009).
    The CRB commented in this case, “How frequently a claimant seeks
    medical care, or takes pain medication, or takes any number of actions can
    certainly shed light on the degree to which that claimant suffers from a medical
    condition and how severe that injury or condition is. . . . [T]he severity of an injury
    is a primary factor in reaching a reasoned conclusion regarding the degree of
    disability.” Consistent with this common-sense notion, petitioner testified at the
    hearing that she was receiving ongoing care and medication for her right shoulder
    41
    to ameliorate pain from the injury she sustained eleven years earlier. In light of
    this testimony, it was perfectly reasonable for the ALJ to consider the lack of
    supporting medical records when assessing petitioner‟s credibility as to whether
    she had, in fact, received such continuing treatment in connection with her right
    shoulder. Accordingly, the CRB did not err in affirming the ALJ‟s Compensation
    Order on this point.
    C. Review for Substantial Evidence
    Petitioner contends that because the CRB did not properly articulate the
    substantial evidence standard of review, it therefore erred as a matter of law in
    concluding that the ALJ‟s credibility determinations were supported by substantial
    evidence, without conducting an independent substantial evidence analysis.
    Petitioner focuses on the following statement in the CRB‟s Order: “Given the
    deference accorded to the fact finder on credibility issues, we will not substitute
    our judgment for that of the ALJ. And, lest one forget, the ability to assess
    appearance and demeanor are still important reasons for according much deference
    to the person who heard the evidence, even if they are not the only reasons to do
    so.” (emphasis added).
    42
    As a matter of law, the CRB does have the authority to make a judgment on
    the legal sufficiency of the ALJ‟s credibility determination, even under the
    deferential substantial evidence standard of review. See Georgetown Univ. v.
    District of Columbia Dep’t of Emp’t Servs., 
    985 A.2d 431
    , 433 n.2 (D.C. 2009)
    (“[T]he ALJ of course retains the fact-finder‟s prerogative to weigh the two
    doctors‟ opinions and assess their credibility, subject again to review for
    substantial evidence.”). An absolute prohibition on the CRB‟s review of the basis
    for the ALJ‟s judgment on credibility issues would be at odds with the requirement
    that there be substantial evidence supporting the ALJ‟s order. Even if the CRB
    may, as a matter of law, reject a credibility determination as insufficiently
    substantiated, this is not such a case, as the ALJ‟s findings were well supported.
    The ALJ‟s determination that “Claimant was not a credible witness” was not based
    solely on an unreviewable assessment of demeanor, but also, as the CRB noted, on
    the consideration that petitioner‟s testimony “did not hang together.” The ALJ
    pointed to specific factors that lent substantial evidentiary support to this
    determination: “the remoteness of [petitioner‟s] claim, the lack of evidence to
    support her testimony of ongoing symptoms related to the injury, [and the] lack of
    medical evidence to support testimony that she is currently receiving ongoing
    treatment related to the injury . . . .” AHD Order at 3, 9.
    43
    *******
    For the foregoing reasons, the CRB Decision and Order affirming the ALJ‟s
    Compensation Order is
    Affirmed.
    

Document Info

Docket Number: 14-AA-527

Citation Numbers: 158 A.3d 886

Filed Date: 5/4/2017

Precedential Status: Precedential

Modified Date: 1/12/2023

Authorities (18)

the-travelers-insurance-company-and-todd-shipyards-corporation-v-frank-a , 225 F.2d 137 ( 1955 )

Logan v. District of Columbia Department of Employment ... , 805 A.2d 237 ( 2002 )

Upchurch v. District of Columbia Department of Employment ... , 783 A.2d 623 ( 2001 )

Lenaerts v. District of Columbia Department of Employment ... , 545 A.2d 1234 ( 1988 )

Washington Metropolitan Area Transit Authority v. District ... , 683 A.2d 470 ( 1996 )

Washington Metropolitan Area Transit Authority v. District ... , 992 A.2d 1276 ( 2010 )

DeShazo v. District of Columbia Department of Employment ... , 638 A.2d 1152 ( 1994 )

Carey v. Crane Service Co., Inc. , 457 A.2d 1102 ( 1983 )

Negussie v. District of Columbia Department of Employment ... , 915 A.2d 391 ( 2007 )

Washington Post v. District of Columbia Department of ... , 675 A.2d 37 ( 1996 )

Smith v. District of Columbia Department of Employment ... , 548 A.2d 95 ( 1988 )

Harris v. District of Columbia Department of Employment ... , 746 A.2d 297 ( 2000 )

Potomac Electric Power Co. v. District of Columbia ... , 835 A.2d 527 ( 2003 )

Washington Post v. District of Columbia Department of ... , 853 A.2d 704 ( 2004 )

General Motors Corporation v. Sligh , 108 Ga. App. 354 ( 1963 )

Golding-Alleyne v. Department of Employment Services , 980 A.2d 1209 ( 2009 )

Potomac Electric Power Co. v. Director, Office of Workers' ... , 101 S. Ct. 509 ( 1980 )

Mid-Continent Casualty Co. v. Busick , 353 S.W.2d 926 ( 1962 )

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