Specific code 2013 ICD-9-CM Diagnosis Code 333.4
Huntington's chorea
  • ICD-9-CM 333.4 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 333.4 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2013 version of ICD-9-CM 333.4.
  • More recent version(s) of ICD-9-CM 333.4: 2014 2015.
Convert to ICD-10-CM: 333.4 converts directly to:
  • 2015/16 ICD-10-CM G10 Huntington's disease
Approximate Synonyms
  • Chorea, chronic progressive non hereditary
  • Chorea, progressive
  • Chorea, progressive non hereditary, chronic
  • Chronic progressive non hereditary chorea
  • Chronic progressive non-hereditary chorea
  • Dementia due to Huntington chorea
  • Dementia due to Huntington chorea with altered behavior
  • Dementia due to Huntingtons chorea w behavior changes
  • Dementia due to Huntingtons disease
  • Dementia from huntingtons chorea
  • Huntingtons chorea
  • Progressive chorea
ICD-9-CM Volume 2 Index entries containing back-references to 333.4:
  • Chorea (gravis) (minor) (spasmodic) 333.5
    • chronic 333.4
    • hereditary 333.4
    • Huntington's 333.4
    • progressive 333.4
      • chronic 333.4
      • hereditary 333.4
  • Disease, diseased - see also Syndrome
    • Huntington's 333.4
  • Huntington's
    • chorea 333.4
    • disease 333.4
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 333.4 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 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.