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).
Clinical Information. A familial disorder inherited as an autosomal dominant trait and characterized by the onset of progressive chorea and dementia in the fourth or fifth decade of life. Common initial manifestations include paranoia; poor impulse control; depression; hallucinations; and delusions.
333.5 is a legacy non-billable code used to specify a medical diagnosis of other choreas. This code was replaced on September 30, 2015 by its ICD-10 equivalent.
General Equivalence Map Definitions The ICD-9 and ICD-10 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.
333.4 is a legacy non-billable code used to specify a medical diagnosis of huntington's chorea. This code was replaced on September 30, 2015 by its ICD-10 equivalent.
References found for the code 333.4 in the Index of Diseases and Injuries:
Huntington's disease (HD) is an inherited disease that causes certain nerve cells in the brain to waste away. People are born with the defective gene, but symptoms usually don't appear until middle age. Early symptoms of HD may include uncontrolled movements, clumsiness, and balance problems.
General Equivalence Map Definitions The ICD-9 and ICD-10 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.