625 ILCS 5/1-131.7: Intellectual disability.

(This Section may contain text from a Public Act with a delayed effective date)

A disability, originating before the age of 18 years, characterized concurrently by (i) significant subaverage intellectual functioning as demonstrated by performance on a standardized measure of intellectual functioning, administered in conformity with accepted professional practice, that is at least 2 standard deviations below the mean and (ii) significant limitations in adaptive behavior as expressed in conceptual, social, and practical adaptive skills.