ICD-9 Diagnosis Code 330.3

Cerb deg chld in oth dis

Diagnosis Code 330.3

ICD-9: 330.3
Short Description: Cerb deg chld in oth dis
Long Description: Cerebral degeneration of childhood in other diseases classified elsewhere
This is the 2014 version of the ICD-9-CM diagnosis code 330.3

Code Classification
  • Diseases of the nervous system (320–359)
    • Hereditary and degenerative diseases of the central nervous system (330-337)
      • 330 Cerebral degenerations usually manifest in childhood

Information for Medical Professionals

Code Edits
The following edits are applicable to this code:
Manifestations not allowed as principal diagnosis Additional informationCallout TooltipManifestations not allowed as principal diagnosis
Manifestations not allowed as principal diagnosis: Manifestation codes describe the manifestation of an underlying disease, not the disease itself, and therefore should not be used as a principal diagnosis.

Convert to ICD-10 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Cerebral degeneration in Hunter's disease
  • Cerebral degeneration in mucopolysaccharidosis

Index of Diseases and Injuries
References found for the code 330.3 in the Index of Diseases and Injuries:

    • Degeneration, degenerative
      • brain (cortical) (progressive) 331.9
        • in
          • Hunter's disease or syndrome 277.5 [330.3]
          • mucopolysaccharidosis 277.5 [330.3]

Information for Patients

Genetic Brain Disorders

Also called: Inborn genetic brain disorders

A genetic brain disorder is caused by a variation or a mutation in a gene. A variation is a different form of a gene. A mutation is a change in a gene. Genetic brain disorders affect the development and function of the brain.

Some genetic brain disorders are due to random gene mutations or mutations caused by environmental exposure, such as cigarette smoke. Other disorders are inherited, which means that a mutated gene or group of genes is passed down through a family. They can also be due to a combination of both genetic changes and other outside factors.

Some examples of genetic brain disorders include

  • Leukodystrophies
  • Phenylketonuria
  • Tay-Sachs disease
  • Wilson disease

Many people with genetic brain disorders fail to produce enough of certain proteins that influence brain development and function. These brain disorders can cause serious problems that affect the nervous system. Some have treatments to control symptoms. Some are life-threatening.

  • Lesch-Nyhan syndrome
  • Maple syrup urine disease
  • Menkes syndrome
  • Neuronal ceroid lipofuscinoses (NCLS)
  • Niemann-Pick disease

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