Pervasive developmental disorders F84-

Code Also
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A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.
  • any associated medical condition and intellectual disabilities
Clinical Information
  • A category of developmental disorders characterized by impaired communication and socialization skills. The impairments are incongruent with the individual's developmental level or mental age. These disorders can be associated with general medical or genetic conditions.
  • Broad term for disorders, usually first diagnosed in children prior to age 4, characterized by severe and profound impairment in social interaction, communication, and the presence of stereotyped behaviors, interests, and activities. Compare developmental disabilities.
  • Group of disorders characterized by delays in the development of socialization and communication skills; typical age of onset is before 3 years of age; symptoms may include problems with using and understanding language; difficulty relating to people, objects, and events; unusual play with toys and other objects; difficulty with changes in routine or familiar surroundings, and repetitive body movements or behavior patterns; autism is the most characteristic and best studied pdd; other types of pdd include asperger syndrome, childhood disintegrative disorder, and rett syndrome; prefer nts where possible.
  • F84 Pervasive developmental disorders
    • F84.0 Autistic disorder
    • F84.2 Rett's syndrome
    • F84.3 Other childhood disintegrative disorder
    • F84.5 Asperger's syndrome
    • F84.8 Other pervasive developmental disorders
    • F84.9 Pervasive developmental disorder, unspecified