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PDFWAC 388-823-0770

What evidence do I need of developmental delays?

(1) Evidence of substantial functional limitations requires developmental delays of at least 1.5 standard deviations or twenty-five percent or more of the chronological age in one or more of the following developmental areas based on an assessment current within the past eighteen months:
(a) Physical skills (fine or gross motor);
(b) Self help/adaptive skills;
(c) Expressive or receptive communication, including American sign language;
(d) Social/emotional skills; and
(e) Cognitive, academic, or problem solving skills.
(2) The number of areas in which you are required to have delays to meet the evidence is specific to your age.
(3) Tools used to determine developmental delays must be diagnostic assessments that are designed to measure the developmental areas in subsection (1) of this section and are appropriate to the age of the child being tested.
(4) The assessment must be administered by one of the following professionals qualified to administer the assessment of developmental areas:
(a) Licensed physician;
(b) Licensed psychologist or certified school psychologist;
(c) Speech language pathologist;
(d) Audiologist;
(e) Registered occupational therapist;
(f) Licensed physical therapist;
(g) Registered nurse;
(h) Certified teacher;
(i) Masters level social worker; or
(j) Orientation and mobility specialist.
[Statutory Authority: RCW 71A.12.030. WSR 19-14-119, § 388-823-0770, filed 7/3/19, effective 8/3/19. Statutory Authority: RCW 71A.12.030, 71A.12.120 and 74.08.090. WSR 14-12-046, § 388-823-0770, filed 5/29/14, effective 7/1/14.]
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