ICD-10-CM category
A81: Atypical virus infections of central nervous system
Codes under A81 (Atypical virus infections of central nervous system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A81.0 | Creutzfeldt-Jakob disease | — |
| A81.00 | Creutzfeldt-Jakob disease, unspecified | ✓ |
| A81.01 | Variant Creutzfeldt-Jakob disease | ✓ |
| A81.1 | Subacute sclerosing panencephalitis | ✓ |
| A81.2 | Progressive multifocal leukoencephalopathy | ✓ |
| A81.8 | Other atypical virus infections of central nervous system | — |
| A81.09 | Other Creutzfeldt-Jakob disease | ✓ |
| A81.9 | Atypical virus infection of central nervous system, unspecified | ✓ |
| A81.81 | Kuru | ✓ |
| A81.82 | Gerstmann-Straussler-Scheinker syndrome | ✓ |
| A81.83 | Fatal familial insomnia | ✓ |
| A81.89 | Other atypical virus infections of central nervous system | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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