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  • Autism

  • Early infantile autism

  • Childhood autism

  • Kanner’s autism

  • Pervasive developmental disorder, not otherwise specified (PDD-NOS)




  • 299 Pervasive developmental disorders

  • 299.0 Autistic disorder

  • 299.00 Autistic disorder current or active state

  • 299.01 Autistic disorder residual state

  • 299.9 Unspecified pervasive developmental disorder

  • 299.90 Unspecified pervasive developmental disorder current or active state

  • 299.91 Unspecified pervasive developmental disorder residual state




  • F84.0 Autistic disorder

  • F84.9 Pervasive developmental disorder unspecified

  • F84.5 Asperger syndrome

  • F84.8 Other pervasive developmental disorders

  • F84.9 Pervasive developmental disorder, unspecified




  • 5B: Impaired Neuromotor Development3

Table Graphic Jump Location
TABLE 231-1Differential Diagnostic Features of Autism and Nonautistic Pervasive Developmental Disorders


A 3-year-old male is referred to physical therapy for poor coordination. His mother reports he was born full term via vaginal delivery with no difficulty with pregnancy or delivery. As an infant, he seldom made eye contact and disliked being held. His mother states “I don’t think he likes me.” He learned to ...

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