F84 - Pervasive developmental disorders
F84.3 - Other childhood disintegrative disorder
InclusionTerm:
-Dementia infantilis
-Disintegrative psychosis
-Heller's syndrome
-Symbiotic psychosis
Use Additional Code:
-code to identify any associated neurological condition.
Excludes 1:
-Asperger's syndrome F84.5)
-Autistic disorder F84.0)
-Rett's syndrome F84.2)