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 299.1 Disintegrative psychosis View the most recent version of ICD-9-CM 299.1 299.1 is a non-specific code that cannot be used to specify a diagnosis 299.1 contains 10 index entries View the ICD-9-CM Volume 1 299.* hierarchy Alternate Terminology Heller's syndrome Use additional code to identify any associated neurological disorder 299.1 Excludes infantile autism (299.0) schizophrenic syndrome of childhood (299.9)  Index entries containing 299.1: Dementia 294.8 Heller's (infantile psychosis) (see also Psychosis, childhood) 299.1 Disease, diseased - see also Syndrome Heller's (see also Psychosis, childhood) 299.1 Disorder - see also Disease disintegrative,childhood 299.1 interactional psychotic (childhood) (see also Psychosis, childhood) 299.1 Heller's disease or syndrome (infantile psychosis) (see also Psychosis, childhood) 299.1 Psychosis 298.9 disintegrative, childhood (see also Psychosis, childhood) 299.1 interactional (childhood) (see also Psychosis, childhood) 299.1 symbiotic (childhood) (see also Psychosis, childhood) 299.1 Syndrome - see also Disease dementia-aphonia, of childhood (see also Psychosis, childhood) 299.1 Heller's (infantile psychosis) (see also Psychosis, childhood) 299.1