ICD-10-CM category
I20: Angina pectoris
Codes under I20 (Angina pectoris). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I20.0 | Unstable angina | ✓ |
| I20.1 | Angina pectoris with documented spasm | ✓ |
| I20.2 | Refractory angina pectoris | ✓ |
| I20.8 | Other forms of angina pectoris | — |
| I20.9 | Angina pectoris, unspecified | ✓ |
| I20.81 | Angina pectoris with coronary microvascular dysfunction | ✓ |
| I20.89 | Other forms of angina pectoris | ✓ |
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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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