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ICD-10-CM category

I20: Angina pectoris

7 subcodes · 6 billable · Look up any code with the ICD-10 search

Codes under I20 (Angina pectoris). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
I20.0Unstable angina✓
I20.1Angina pectoris with documented spasm✓
I20.2Refractory angina pectoris✓
I20.8Other forms of angina pectoris—
I20.9Angina pectoris, unspecified✓
I20.81Angina pectoris with coronary microvascular dysfunction✓
I20.89Other forms of angina pectoris✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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