From the Wisconsin Department of Health Services: a disability attributable to brain injury, cerebral palsy, epilepsy, autism, or Prader-Willi syndrome. This also includes an intellectual disability diagnosed before age 18 and characterized by below-average general intellectual function and a lack of skills necessary for daily living, or another neurological condition closely related to such intellectual disability or requiring treatment similar to that required for such intellectual disability, that has continued or can be expected to continue indefinitely and constitutes a substantial handicap to the afflicted individual. “Developmental disability” does not include senility that is primarily caused by the process of aging or the infirmities of aging.

Wisconsin Department of Health Services oversees a variety of programs including Children's Long Term Supports, Comprehensive Community Services, Public Health, CYSHCN, and a variety of medicaid programs.