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WAC 388-823-0740

What evidence do I need of my adaptive skills limitations?

(1) Evidence of substantial limitations of adaptive functioning requires a qualifying score completed in the past thirty-six months on one of the tests shown in the table below:
Assessment
Qualifying Score
Vineland adaptive behavior scales (VABS)
An adaptive behavior composite score of 69 or less
Scales of independent behavior - Revised (SIB-R)
A broad independence standard score of 69 or less
Adaptive behavior assessment system - Second edition (ABAD-II)
An adaptive behavior composite score of 69 or less
Inventory for client and agency planning (ICAP)
A broad independence standard score of 69 or less
(a) Tests must be administered and scored by professionals who have a background in individual assessment, human development and behavior, and tests and measurements, as well as an understanding of individuals with disabilities.
(b) Tests must be administered following the instructions for the specific test used.
(c) Department staff or designee contracted with DDA must administer the ICAP.
(d) DDA will administer or arrange for the administration of the ICAP only if results from one of the other acceptable tests are not available.
(2) The adaptive test score cannot be a result of an unrelated mental illness or other psychiatric condition occurring at any age; or other illness or injury occurring after age eighteen.
(a) If you are dually diagnosed with a qualifying condition and mental illness, other psychiatric condition, or other illness or injury, you must provide acceptable documentation that your adaptive functioning impairment, measured by an adaptive skills test, would meet the requirements for DDA eligibility without the influence of the mental illness, other psychiatric condition, or other illness or injury.
(b) "Acceptable documentation" means written reports or statements that are directly related to the subject at issue, reasonable in light of all the evidence, and from a source of appropriate authority. The determination of whether a document is acceptable is made by DDA.
(c) If no documentation is provided or DDA determines that the documentation is not acceptable DDA will deny eligibility. The determination may be challenged through an administrative appeal.
[Statutory Authority: RCW 71A.12.030, 71A.12.120 and 74.08.090. WSR 14-12-046, ยง 388-823-0740, filed 5/29/14, effective 7/1/14.]
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