2013 ICD-9-CM Diagnosis Code 331.9
Cerebral degeneration, unspecified
- result of genetic metabolic defects or damage by exogenous or endogenous toxins; characterized by cerebral cortex atrophy and progressive cerebral demyelination; dementia and mental deterioration are common.
- ICD-9-CM 331.9 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Convert 331.9 to ICD-10-CM
ICD-9-CM Volume 2 Index entries containing back-references to 331.9: