I25: Chronic ischemic heart disease

Codes under I25 (Chronic ischemic heart disease). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
I25.1	Atherosclerotic heart disease of native coronary artery	—
I25.2	Old myocardial infarction	✓
I25.3	Aneurysm of heart	✓
I25.4	Coronary artery aneurysm and dissection	—
I25.5	Ischemic cardiomyopathy	✓
I25.6	Silent myocardial ischemia	✓
I25.7	Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris	—
I25.8	Other forms of chronic ischemic heart disease	—
I25.9	Chronic ischemic heart disease, unspecified	✓
I25.10	Atherosclerotic heart disease of native coronary artery without angina pectoris	✓
I25.11	Atherosclerotic heart disease of native coronary artery with angina pectoris	—
I25.41	Coronary artery aneurysm	✓
I25.42	Coronary artery dissection	✓
I25.70	Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris	—
I25.71	Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris	—
I25.72	Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris	—
I25.73	Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris	—
I25.75	Atherosclerosis of native coronary artery of transplanted heart with angina pectoris	—
I25.76	Atherosclerosis of bypass graft of coronary artery of transplanted heart with angina pectoris	—
I25.79	Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris	—
I25.81	Atherosclerosis of other coronary vessels without angina pectoris	—
I25.82	Chronic total occlusion of coronary artery	✓
I25.83	Coronary atherosclerosis due to lipid rich plaque	✓
I25.84	Coronary atherosclerosis due to calcified coronary lesion	✓
I25.85	Chronic coronary microvascular dysfunction	✓
I25.89	Other forms of chronic ischemic heart disease	✓
I25.110	Atherosclerotic heart disease of native coronary artery with unstable angina pectoris	✓
I25.111	Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm	✓
I25.112	Atherosclerotic heart disease of native coronary artery with refractory angina pectoris	✓
I25.118	Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris	✓
I25.119	Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris	✓
I25.700	Atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectoris	✓
I25.701	Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris with documented spasm	✓
I25.702	Atherosclerosis of coronary artery bypass graft(s), unspecified, with refractory angina pectoris	✓
I25.708	Atherosclerosis of coronary artery bypass graft(s), unspecified, with other forms of angina pectoris	✓
I25.709	Atherosclerosis of coronary artery bypass graft(s), unspecified, with unspecified angina pectoris	✓
I25.710	Atherosclerosis of autologous vein coronary artery bypass graft(s) with unstable angina pectoris	✓
I25.711	Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris with documented spasm	✓
I25.712	Atherosclerosis of autologous vein coronary artery bypass graft(s) with refractory angina pectoris	✓
I25.718	Atherosclerosis of autologous vein coronary artery bypass graft(s) with other forms of angina pectoris	✓
I25.719	Atherosclerosis of autologous vein coronary artery bypass graft(s) with unspecified angina pectoris	✓
I25.720	Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectoris	✓
I25.721	Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris with documented spasm	✓
I25.722	Atherosclerosis of autologous artery coronary artery bypass graft(s) with refractory angina pectoris	✓
I25.728	Atherosclerosis of autologous artery coronary artery bypass graft(s) with other forms of angina pectoris	✓
I25.729	Atherosclerosis of autologous artery coronary artery bypass graft(s) with unspecified angina pectoris	✓
I25.730	Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unstable angina pectoris	✓
I25.731	Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with angina pectoris with documented spasm	✓
I25.732	Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with refractory angina pectoris	✓
I25.738	Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with other forms of angina pectoris	✓
I25.739	Atherosclerosis of nonautologous biological coronary artery bypass graft(s) with unspecified angina pectoris	✓
I25.750	Atherosclerosis of native coronary artery of transplanted heart with unstable angina	✓
I25.751	Atherosclerosis of native coronary artery of transplanted heart with angina pectoris with documented spasm	✓
I25.752	Atherosclerosis of native coronary artery of transplanted heart with refractory angina pectoris	✓
I25.758	Atherosclerosis of native coronary artery of transplanted heart with other forms of angina pectoris	✓
I25.759	Atherosclerosis of native coronary artery of transplanted heart with unspecified angina pectoris	✓
I25.760	Atherosclerosis of bypass graft of coronary artery of transplanted heart with unstable angina	✓
I25.761	Atherosclerosis of bypass graft of coronary artery of transplanted heart with angina pectoris with documented spasm	✓
I25.762	Atherosclerosis of bypass graft of coronary artery of transplanted heart with refractory angina pectoris	✓
I25.768	Atherosclerosis of bypass graft of coronary artery of transplanted heart with other forms of angina pectoris	✓
I25.769	Atherosclerosis of bypass graft of coronary artery of transplanted heart with unspecified angina pectoris	✓
I25.790	Atherosclerosis of other coronary artery bypass graft(s) with unstable angina pectoris	✓
I25.791	Atherosclerosis of other coronary artery bypass graft(s) with angina pectoris with documented spasm	✓
I25.792	Atherosclerosis of other coronary artery bypass graft(s) with refractory angina pectoris	✓
I25.798	Atherosclerosis of other coronary artery bypass graft(s) with other forms of angina pectoris	✓
I25.799	Atherosclerosis of other coronary artery bypass graft(s) with unspecified angina pectoris	✓
I25.810	Atherosclerosis of coronary artery bypass graft(s) without angina pectoris	✓
I25.811	Atherosclerosis of native coronary artery of transplanted heart without angina pectoris	✓
I25.812	Atherosclerosis of bypass graft of coronary artery of transplanted heart without 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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