Non-specific code 2015 ICD-9-CM Diagnosis Code 299.1
Childhood disintegrative disorder
  • 2015
  • Non-Billable Code

  • There are 2 ICD-9-CM codes below 299.1 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
  • A pediatric disorder characterized by normal development for at least the first two years of life followed by a severe regression in language, social interaction, bowel or bladder control, and/or motor skills. The affected individual may also exhibit repetitive and stereotyped patterns of behavior similar to autism
299.1 Excludes
  • infantile autism (299.0)
  • schizophrenic syndrome of childhood (299.9)
Applies To
  • Heller's syndrome
Use Additional
  • Use additional code to identify any associated neurological disorder
ICD-9-CM Volume 2 Index entries containing back-references to 299.1:
  • Dementia 294.20
    • 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
    • disintegrativeildhood 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
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 299.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.