Requires each health plan offered to public employees and their covered dependents under chapter 41.05 RCW which is not subject to the provisions of Title 48 RCW to include coverage for the diagnosis of autism spectrum disorders and treatment of autism spectrum disorders in individuals less than twenty-one years of age.

Requires each health plan offered to the public under chapter 48.21, 48.44, or 48.46 RCW to include coverage for the diagnosis of autism spectrum disorders and treatment of autism spectrum disorders in individuals less than twenty-one years of age.