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Determining Work-Relatedness (“Causal Relationship”) in Washington State Industrial Insurance Act matters:
In completing causation analysis, objective physicians must consider the following applicable legal standards:
a. An injured worker becomes eligible for Industrial Insurance Act coverages (medical or wage loss indemnity benefits such as time loss, LEP, PPD or pension) if their industrial injury is “a proximate cause” of the disability/need for treatment for which benefits are sought. Wendt v. Dep’t of Labor & Indus., 18 Wn. App. 674, 683–684 (1977) (emphasis added). The law does not require that the injury be the sole cause of such disability. Id.
b. Washington Pattern Jury Instruction 15.01 defines “proximate cause” merely as “a cause” which “in a direct sequence produces the event complained of and without such event would not have happened.” Essentially, the inquiry is “but for” the antecedent injury or occupational disease, would the resulting medical condition or need for medical treatment have occurred? Legal scholarship is critical of continuing to use the word “proximate,” an archaic word that originates hundreds of years ago when people spoke differently, because studies have shown this word now tends to mislead jurors into believing a time or distance proximity is required, whereas it is not. “Any cause” which in direct sequence produces some aspect of the effect is a sufficient showing of cause in Washington Labor & Industries matters. Physicians also must not be mislead.
c. Washington Pattern Jury Instruction 155.25 (“Injury to Particular Worker”) includes a comment that “the Industrial Insurance Act takes the worker as one finds him or her, and bears responsibility for the manner and degree in which any industrial injury or occupational disease manifests itself on that individual.” Cases cited include Groff v. Dep’t of Labor & Indus., 65 Wn.2d 35, 44, 395 P.2d 633 (1964) (“industry takes the workman as he is”); Kallos v. Dep’t of Labor & Indus., 46 Wn.2d 26, 278 P.2d 393 (1955) (“benefits are not limited to those in perfect health”); and Miller v. Dep’t of Labor & Indus., 200 Wash. 674, 94 P.2d 764 (1939) (when injury lights up a pre-existing infirmity, whether due to congenital weakness or previous injury or illness, the resulting disability is to be “attributed to the injury, and not to the preexisting condition.”).
d. Objective Evidence Standards: “In situations where an industrial injury aggravates a worker’s pre-existing condition, the lack of objective findings to confirm post-injury worsening does not preclude claim allowance. Where a worker presents credible factual and medical evidence establishing his medical condition worsened following a work injury, a claim can be allowed.” In re MaryAnn Lane, Dckt. No. 18 41307 (Dec. 17, 2019) (citing In re Steve R. Clearwater, Dckt. No. 06 18494 (Dec. 18, 2007)). This claim allowance standard differs somewhat from the permanent partial disability standard used during claim closure analysis. At claim closure, where the concern is generally focused upon questions of permanency, the injured worker must then present credible expert testimony in support of the PPD opinion given, some of which testimony must be based upon objective standards. Page v. Dep’t of Labor & Indus., 52 Wn.2d 706, 708-709, 328 P.2d 663 (1958) (the extent of disability must be established by expert medical testimony, “some of it based upon objective evidence.”).
e. Causal relationship analysis considers both direct and indirect causation. Washington State abides by the “compensable consequences” doctrine. Workers’ compensation coverage is therefore provided for any medical condition which has accrued in some consequence of suffering the original industrial injury or occupational disease. Case law examples include Ross v. Erickson Constr. Co., 89 Wash. 634, 641, 155 P. 153 (1916) (consequences of medical malpractice related to treatment for an industrial injury are compensable as causally-related to the original injury); McDougle v. Dep’t of Labor & Indus., 64 Wn.2d 640, 644, 393 P.2d 631 (1964) (consequences of re-injury related to engaging in foreseeable activities of which the injured or ill worker could be expected to do, including those involving sports, work or activities of daily living, remain compensable consequences if the re-injury would not more likely than not have occurred but for the predisposition created by the original occupational injury or illness); In re: Iris Vandorn, BIIA Dec. 02 11466 (2003) (new injury suffered in MVA while returning from appointment with vocational counselor in Industrial Insurance Act claim is compensable [because participating in claim-related activities contributed to the risk of injury that then occurred]); In re: Arvid Anderson, BIIA Dec. 65, 170 (1960) (cardiac arrhythmia caused by the stress of surgical treatment for an industrial injury is attributable to the original industrial injury).
In completing aggravation analysis, objective physicians consider the following applicable legal standards:
f. “Aggravation (also referred to as ‘worsening’ or ‘exacerbation’ – the three terms are used synonymously in Washington workers’ compensation) of a preexisting condition occurs when an injured worker has a preexisting condition, symptomatic or asymptomatic, which is made worse by the industrial incident or exposure.” Medical Examiner’s Handbook, July 2019 Update, Chapter 5, Preexisting Conditions, Lighting Up, and Segregation, pg. 36.
g. Sometimes the concept of “lighting up” applies when referencing an industrially-related medical condition. “Lighting up” of a preexisting condition may be said to occur where: 1) the preexisting condition was not symptomatic [or was lesser symptomatic], and did not result in any limitations [or resulted in lesser limitations] on the worker’s ability to function prior to the industrial incident or exposure; 2) the preexisting condition is now symptomatic [or more symptomatic] and it imposes some [or greater] functional limitations on the worker; and 3) the industrial injury proximately caused the changes in symptomology and functional limitations. Medical Examiner’s Handbook, July 2019 Update, Chapter 5, Preexisting Conditions, Lighting Up, and Segregation, pg. 37.
RCW 51.08.100 defines an industrial “injury” as “a sudden and tangible happening, of a traumatic nature, producing an immediate or prompt result, and occurring from without, and such physical conditions as result therefrom.”
WAC 296-27-02101(4) defines a “preexisting condition” to be an “injury or illness that resulted solely from a nonwork-related event or exposure.”
- Please note that the Washington Court of Appeals held in the case of Clark County, Et Al. v. Jennifer Maphet, 10 App.2d 420 (2019) (Wa. Ct. App. Div. II) that if the Department or a Self-Insured Employer have authorized treatment of a condition, they have therefore administratively accepted the allowance of that condition as “causally-related” to the industrial injury or occupational disease of the claim. The Board of Industrial Insurance Appeals then followed suit, such as within In re Debbie L. Neville, Dckt. 19 15081 (July 28, 2020) (conditions treated under the L&I claim have already therefore been accepted as causally-related).
- WAC 296-20-01002 defines “authorization” as “notification by a qualified representative of the department or self-insurer that specific proper and necessary treatment, services, or equipment provided for the diagnosis and curative or rehabilitative treatment of an accepted condition will be reimbursed by the department or self-insurer.” Thus, it is legally irrelevant whether the “service” authorized is for “diagnosis” versus “cure.” The law makes no distinction. The underlying condition for which the service was “authorized” is legally deemed administratively accepted.
- Conceptually: Maphet and Neville consider treatment received as a result of an industrial injury or an occupational disease to have been rendered as compensable consequences thereof. In other words, because the injured worker sought authorization for medical care due to an industrial injury or occupational disease, whatever care is then authorized simply becomes one of the compensable consequences of the worker suffering that occurrence.
- This is a medical-legal standard, not an evidence-based science standard, but it nevertheless binds and controls the medical expert analysis on causal-relationship. Accordingly, when performing forensic analysis, Physicians must review treatments authorized and then deem those to be causally-related due to applicable legal standards, including under the compensable consequences doctrine, designed to ensure that injured workers receive the “swift and certain” relief promised to them as their civil right under the Industrial Insurance Act.
ABOUT THE AUTHOR:
Spencer Parr is a litigation and trial attorney at Washington Law Center focused primarily in the areas of Labor & Industries claims and injury pension benefits. Before co-founding Washington Law Center, Spencer served in the U.S. Army. He has litigated major issues in the law, represented clients from coast to coast, and dedicated his professional life to assisting the injured and disabled. Click here to learn more about Spencer. View More Labor & Industries and Work Injury Resources.