Specific code 2012 ICD-9-CM Diagnosis Code 330.8
Other specified cerebral degenerations in childhood
  • Short description: Cereb degen in child NEC.
  • ICD-9-CM 330.8 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 330.8 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 330.8.
  • More recent version(s) of ICD-9-CM 330.8: 2013 2014.
Disease Synonyms
  • Alpers disease
  • Dementia and behavioral disturbance due to Rett's syndrome
  • Dementia due Rett's syndrome
  • Infantile neuroaxonal dystrophy
  • Late infantile and juvenile neuroaxonal dystrophy
  • Leighs disease
  • Leigh's disease
  • Progressive sclerosing poliodystrophy
  • Rett syndrome w dementia
  • Rett syndrome w dementia w behavioral disturbance
  • Rett's disorder
  • Retts syndrome
  • Retts syndrome with dementia
Applies To
  • Alpers' disease or gray-matter degeneration
  • Infantile necrotizing encephalomyelopathy
  • Leigh's disease
  • Subacute necrotizing encephalopathy or encephalomyelopathy
Convert to ICD-10-CM: 330.8 converts approximately to:
  • 2014 ICD-10-CM F84.2 Rett's syndrome
    Or:
  • 2014 ICD-10-CM G31.81 Alpers disease
    Or:
  • 2014 ICD-10-CM G31.82 Leigh's disease
ICD-9-CM Volume 2 Index entries containing back-references to 330.8:
  • Alpers' disease 330.8
  • Degeneration, degenerative
    • grey matter 330.8
  • Disease, diseased - see also Syndrome
    • Alpers' 330.8
    • Leigh's 330.8
  • Encephalomyelopathy 349.9
    • subacute necrotizing (infantile) 330.8
  • Encephalopathy (acute) 348.30
    • necrotizing
      • hemorrhagic (acute) 323.61
      • subacute 330.8
    • subacute
      • necrotizing 330.8
      • spongioform 046.19
      • viral, spongioform 046.19
  • Leigh's disease 330.8
  • Rett's syndrome 330.8
  • Syndrome - see also Disease
    • Rett's 330.8
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 330.8 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.