A81 Atypical virus infections of central nervous system
ICD-10-CM category A81 sits in Chapter 1 (Certain infectious and parasitic diseases, A00-B99). It contains 10 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
A81.0 Creutzfeldt-Jakob diseaseA81.8 Other atypical virus infections of central nervous system
Billable codes in A81
| Code | Description |
|---|---|
A81.00 | Creutzfeldt-Jakob disease, unspecified |
A81.01 | Variant Creutzfeldt-Jakob disease |
A81.09 | Other Creutzfeldt-Jakob disease |
A81.1 | Subacute sclerosing panencephalitis |
A81.2 | Progressive multifocal leukoencephalopathy |
A81.81 | Kuru |
A81.82 | Gerstmann-Straussler-Scheinker syndrome |
A81.83 | Fatal familial insomnia |
A81.89 | Other atypical virus infections of central nervous system |
A81.9 | Atypical virus infection of central nervous system, unspecified |
Search within ICD-10-CM for A81 and related codes
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