A87: Viral meningitis
Codes under A87 (Viral meningitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A87.0 | Enteroviral meningitis | ✓ |
| A87.0 | Enteroviral meningitis | ✓ |
| A87.1 | Adenoviral meningitis | ✓ |
| A87.1 | Adenoviral meningitis | ✓ |
| A87.2 | Lymphocytic choriomeningitis | ✓ |
| A87.2 | Lymphocytic choriomeningitis | ✓ |
| A87.8 | Other viral meningitis | ✓ |
| A87.8 | Other viral meningitis | ✓ |
| A87.9 | Viral meningitis, unspecified | ✓ |
| A87.9 | Viral meningitis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code A87?
A87 is an ICD-10-CM category covering Viral meningitis. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is A87 a billable code?
No — A87 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 A87.0 — Enteroviral meningitis). 10 of the 10 codes under A87 are billable.
What codes fall under A87?
A87 includes A87.0, A87.0, A87.1, A87.1, A87.2, plus 5 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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