2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Other Psychoses 295-299 > Psychoses With Origin Specific To Childhood 299.* > 2006 ICD-9-CM Diagnosis 299.8 Other specified early childhood psychoses View the most recent version of ICD-9-CM 299.8 A childhood disorder predominately affecting boys and similar to autism (AUTISTIC DISORDER). It is characterized by severe, sustained, clinically significant impairment of social interaction, and restricted repetitive and stereotyped patterns of behavior. In contrast to autism, there are no clinically significant delays in language or cognitive development. 299.8 is a non-specific code that cannot be used to specify a diagnosis 299.8 contains 10 index entries View the ICD-9-CM Volume 1 299.* hierarchy Alternate Terminology Asperger's disorder Atypical childhood psychosis Borderline psychosis of childhood 299.8 Excludes simple stereotypes without psychotic disturbance (307.3)  Index entries containing 299.8: Borderline psychosis (see also Schizophrenia) 295.5 of childhood (see also Psychosis, childhood) 299.8 Disorder - see also Disease Asperger's 299.8 pervasive developmental 299.9 childhood-onset 299.8 specified NEC 299.8 Psychosis 298.9 borderline (schizophrenia) (see also Schizophrenia) 295.5 of childhood (see also Psychosis, childhood) 299.8 prepubertal 299.8 childhood, with origin specific to 299.9 atypical 299.8 specified type NEC 299.8 schizophrenia, schizophrenic (see also Schizophrenia) 295.9 borderline type 295.5 of childhood (see also Psychosis, childhood) 299.8 Syndrome - see also Disease Asperger's 299.8