Adds Down syndrome to the definition of developmental disability and expands such definition to include certain individuals below the age of ten

Adds Down syndrome to the definition of developmental disability for the purpose of making Down syndrome an automatic qualifier for Medicaid; expands the definition of developmental disability to include certain individuals below the age of ten who cannot demonstrate that their disability constitutes a substantial handicap to their ability to function in a normal society, but that have a high probability of meeting such criteria later in life; expands the definition of developmental disability to include certain individuals below the age of four.