Non-specific code 2012 ICD-9-CM Diagnosis Code 299.9
Unspecified pervasive developmental disorder
  • There are 2 ICD-9-CM codes below 299.9 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 299.9.
  • More recent version(s) of ICD-9-CM 299.9: 2013 2014.
299.9 Excludes
  • schizophrenia of adult type occurring in childhood (295.0-295.9)
Applies To
  • Child psychosis NOS
  • Pervasive developmental disorder NOS
  • Schizophrenia, childhood type NOS
  • Schizophrenic syndrome of childhood NOS
ICD-9-CM Volume 2 Index entries containing back-references to 299.9:
  • Disorder - see also Disease
    • pervasive developmental 299.9
  • Psychosis 298.9
    • childhood, with origin specific to 299.9
    • schizophrenia, schizophrenic (see also Schizophrenia) 295.9
      • borderline type 295.5
        • of childhood (see also Psychosis, childhood) 299.8
      • catatonic (excited) (withdrawn) 295.2
      • childhood type (see also Psychosis, childhood) 299.9
      • hebephrenic 295.1
      • incipient 295.5
      • latent 295.5
      • paranoid 295.3
      • prepsychotic 295.5
      • prodromal 295.5
      • pseudoneurotic 295.5
      • pseudopsychopathic 295.5
      • schizophreniform 295.4
      • simple 295.0
      • undifferentiated type 295.9
  • Schizophrenia, schizophrenic (reaction) 295.9
    • childhood (type) (see also Psychosis, childhood) 299.9
    • syndrome of childhood NEC (see also Psychosis, childhood) 299.9
  • Syndrome - see also Disease
    • schizophrenic, of childhood NEC (see also Psychosis, childhood) 299.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 299.9 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.