I20 — ICD-10-CM Diagnosis Codes
- I20 Angina pectoris
- I20.0 Unstable angina billable
- I20.1 Angina pectoris with documented spasm billable
- I20.2 Refractory angina pectoris billable
- I20.8 Other forms of angina pectoris
- I20.81 Angina pectoris with coronary microvascular dysfunction billable
- I20.89 Other forms of angina pectoris billable
- I20.9 Angina pectoris, unspecified billable