ICD-10-CM category
I40: Acute myocarditis
Codes under I40 (Acute myocarditis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I40.0 | Infective myocarditis | ✓ |
| I40.1 | Isolated myocarditis | ✓ |
| I40.8 | Other acute myocarditis | ✓ |
| I40.9 | Acute myocarditis, unspecified | ✓ |
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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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