Evidence that you have an eligible condition under "mental retardation" requires a diagnosis of mental retardation by a licensed psychologist, or a finding of mental retardation by a certified school psychologist or a diagnosis of Down syndrome by a licensed physician.
(1) This diagnosis is based on documentation of a lifelong condition originating before age eighteen.
(2) The condition results in significantly below average intellectual and adaptive skills functioning that will not improve with treatment, instruction or skill acquisition.
(3) A diagnosis or finding of mental retardation by the examining psychologist must include an evaluation of adaptive functioning that includes the use of a standardized adaptive behavior scale indicating adaptive functioning that is more than two standard deviations below the mean, in at least two of the following areas: Communication, self care, home living, social/interpersonal skills, use of community resources, self direction, functional academic skills, work, leisure, health, and safety.
[Statutory Authority: RCW 71A.10.020, 71A.12.030, 71A.12.050, 71A.12.070, 71A.16.020, 71A.16.030, 71A.16.040, 71A.16.050, and chapters 71A.10, 71A.12, and 71A.16 RCW. 05-12-130, § 388-823-0200, filed 6/1/05, effective 7/2/05.]