ICD-9-CM Code 331 to ICD-10-CM
ICD-10 Equivalent of 331:
As of October 2015, ICD-9 codes are no longer used for medical coding. Instead, use this equivalent ICD-10-CM code, which is an exact match to ICD-9 code 331:
- ICD-10 Code , (non-billable)
Historical Information for ICD-9 Code 331
NON-BILLABLE ICD-9 CODE
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.Long ICD9 Description: Other cerebral degenerations
Short ICD9 Description: None specified
- 331 Other cerebral degenerations NON-BILLABLE
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- BILLABLE 331.0 Alzheimer's disease
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- 331.11 Pick's disease BILLABLE
- 331.19 Other frontotemporal dementia BILLABLE
- BILLABLE 331.2 Senile degeneration of brain
- BILLABLE 331.3 Communicating hydrocephalus
- BILLABLE 331.4 Obstructive hydrocephalus
- BILLABLE 331.5 Idiopathic normal pressure hydrocephalus (INPH)
- BILLABLE 331.6 Corticobasal degeneration
- BILLABLE 331.7 Cerebral degeneration in diseases classified elsewhere
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- 331.81 Reye's syndrome BILLABLE
- 331.82 Dementia with lewy bodies BILLABLE
- 331.83 Mild cognitive impairment, so stated BILLABLE
- 331.89 Other cerebral degeneration BILLABLE
- BILLABLE 331.9 Cerebral degeneration, unspecified