G03: Meningitis due to other and unspecified causes
Codes under G03 (Meningitis due to other and unspecified causes). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G03.0 | Nonpyogenic meningitis | ✓ |
| G03.0 | Nonpyogenic meningitis | ✓ |
| G03.1 | Chronic meningitis | ✓ |
| G03.1 | Chronic meningitis | ✓ |
| G03.2 | Benign recurrent meningitis [Mollaret] | ✓ |
| G03.2 | Benign recurrent meningitis [Mollaret] | ✓ |
| G03.8 | Meningitis due to other specified causes | ✓ |
| G03.8 | Meningitis due to other specified causes | ✓ |
| G03.9 | Meningitis, unspecified | ✓ |
| G03.9 | Meningitis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code G03?
G03 is an ICD-10-CM category covering Meningitis due to other and unspecified causes. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is G03 a billable code?
No — G03 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 G03.0 — Nonpyogenic meningitis). 10 of the 10 codes under G03 are billable.
What codes fall under G03?
G03 includes G03.0, G03.0, G03.1, G03.1, G03.2, 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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