A89
A89: Unspecified viral infection of central nervous system
Billable / specific codeICD-10-CM
A89 is a billable, specific ICD-10-CM code for unspecified viral infection of central nervous system. It is valid for submission on a claim.
Check A89 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
A89 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
Alphabetic index entries that lead here
- Infection, infected, infective›virus, viral NOS›central nervous system
Code history
Unchanged in every release from FY2024 to FY2027.