ICD-10-CM › Chapter 1 Certain infectious and... › A80-A89
A80-A89 - Viral and prion infections of the central nervous system
60 ICD-10-CM codes sit in this section, of which 48 are billable in FY2027. Every one has a page giving the years it was valid and what to use instead when it is not.
- 60 codes
- 48 billable FY2027
- 12 not billable, retired or subdivided
- 10 categories
Categories
Each of these is a three-character category. Most are not billable on their own - the billable code is one of the children listed on its page.
| Code | Description | Status |
|---|---|---|
| A80 | Acute poliomyelitis | Not billable |
| A81 | Atypical virus infections of central nervous system | Not billable |
| A82 | Rabies | Not billable |
| A83 | Mosquito-borne viral encephalitis | Not billable |
| A84 | Tick-borne viral encephalitis | Not billable |
| A85 | Other viral encephalitis, not elsewhere classified | Not billable |
| A86 | Unspecified viral encephalitis | Valid |
| A87 | Viral meningitis | Not billable |
| A88 | Other viral infections of central nervous system, not elsewhere classified | Not billable |
| A89 | Unspecified viral infection of central nervous system | Valid |
Or browse all ICD-10-CM codes by first character, check a list of codes with the batch validity checker, or see what changed in each release.