The following words and phrases when used in this subchapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Autism spectrum disorder." Any of the pervasive developmental disorders defined by the Diagnostic and Statistical Manual of Mental Disorders Fifth Edition (DSM-5), or its successor, including autistic disorder, Asperger's disorder and pervasive developmental disorder not otherwise specified.
"Individual with an intellectual disability or autism." As follows:
42 Pa.C.S. § 5992