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What evidence do we consider to determine disability?
To determine whether a medically determinable impairment exists, we consider medical evidence from "acceptable medical sources." "Acceptable medical sources" include:
(1) For a physical impairment, a health professional licensed in Washington State or where the examination was performed:
(a) A physician, which includes:
(i) Medical doctor (M.D.);
(ii) Doctor of osteopathy (D.O.);
(iii) Doctor of optometry (O.D.) for visual disorders;
(iv) Doctor of podiatry (D.P.) for foot disorders; and
(v) Qualified speech-language pathologists, for purposes of establishing speech or language impairments only.
(2) For a mental impairment, professionals licensed in Washington State or where the examination was performed:
(a) A psychiatrist; or
(b) A psychologist.
(3) We accept medical evidence of how your impairment(s) affect your ability to function from "treating medical sources" once a diagnosis of a medically determinable impairment has been established by an "acceptable medical source" listed in (1) and (2) above, "treating medical sources" include:
(a) All medical professionals listed in (1) and (2) above;
(b) A physician treating you for a mental impairment;
(c) A physician's assistant for physical impairments; and
(d) An advanced nurse practitioner for conditions within their certification.
(4) "Other evidence" means information from other sources not listed in subsection (1), (2), or (3) of this section who can provide supporting documentation of functioning for impairments established by acceptable medical sources in subsections (1) or (2) of this section. Sources of "other evidence" include public and private agencies, schools, parents, caregivers, employers, and practitioners such as social workers, mental health professionals, naturopaths, chiropractors, physical therapists, and audiologists.
[Statutory Authority: RCW 74.04.005
, and 2011 1st sp.s. c 36. WSR 12-10-042, § 388-449-0010, filed 4/27/12, effective 6/1/12.]