Q:

What have the SLC states done regarding insurance coverage for children with a pervasive developmental disorder, i.e. autism?

A:


States that require insurers to cover autism-related services at they would any other mental illnesses:
Louisiana and Virginia

States that have specific laws regarding insurance coverage for autism:
Georgia law states that if a health insurance policy includes benefits for neurological disorders, it can't deny benefits for autism-related services.
Kentucky requires that health insurance plans must include coverage, including therapeutic, respite and rehabilitative care, for the treatment of autism from age 2 to 21, up to a ceiling of $500 per month per child.
Maryland states that health insurance policies must cover "habilitative services" – including occupational, physical, and speech therapies for children born with a birth defect, including autism, until they turn 19. The services not covered are those provided through early intervention or school programs.
South Carolina requires health insurers to cover treatments for autism spectrum disorders through age 16.
Tennessee law states that health insurance policies which include benefits for neurological disorders, it must provide equal benefits to children with autism spectrum disorders until age 12.
Texas requires health insurance plans to cover autism-related services for children aged 2 to 5.

States with no current legislation in regards to autistic children:
Alabama, Arkansas, Florida, Mississippi, Missouri, Oklahoma, North Carolina, West Virginia

Sources:
Kaminski, Janet L. “Insurance Coverage for Autism.” Office of Legislative Research, Connecticut.
Goldberg, Michael. “Autism Bulletin: Map of State Autism Insurance Laws, Updated.”
http://autismbulletin.blogspot.com/2007/07/map-of-state-autism-insurance-laws.html