A88: Other viral infections of central nervous system, not elsewhere classified
Codes under A88 (Other viral infections of central nervous system, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A88.0 | Enteroviral exanthematous fever [Boston exanthem] | ✓ |
| A88.0 | Enteroviral exanthematous fever [Boston exanthem] | ✓ |
| A88.1 | Epidemic vertigo | ✓ |
| A88.1 | Epidemic vertigo | ✓ |
| A88.8 | Other specified viral infections of central nervous system | ✓ |
| A88.8 | Other specified viral infections of central nervous system | ✓ |
Frequently asked questions
What is ICD-10-CM code A88?
A88 is an ICD-10-CM category covering Other viral infections of central nervous system, not elsewhere classified. It contains 6 more specific diagnosis codes, 6 of which are billable.
Is A88 a billable code?
No — A88 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example A88.0 — Enteroviral exanthematous fever [Boston exanthem]). 6 of the 6 codes under A88 are billable.
What codes fall under A88?
A88 includes A88.0, A88.0, A88.1, A88.1, A88.8, plus 1 more. See the full list with descriptions and billable status above.
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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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