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ICD-10-CM · FY 2026 APRIL UPDATE

I25

Chronic ischemic heart disease

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
I25.1Atherosclerotic heart disease of native coronary arteryCategory
I25.10Atherosclerotic heart disease of native coronary artery without angina pectorisBillable
I25.11Atherosclerotic heart disease of native coronary artery with angina pectorisCategory
I25.110Atherosclerotic heart disease of native coronary artery with unstable angina pectorisBillable
I25.111Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasmBillable
I25.112Atherosclerotic heart disease of native coronary artery with refractory angina pectorisBillable
I25.118Atherosclerotic heart disease of native coronary artery with other forms of angina pectorisBillable
I25.119Atherosclerotic heart disease of native coronary artery with unspecified angina pectorisBillable
I25.2Old myocardial infarctionBillable
I25.3Aneurysm of heartBillable
I25.4Coronary artery aneurysm and dissectionCategory
I25.41Coronary artery aneurysmBillable
I25.42Coronary artery dissectionBillable
I25.5Ischemic cardiomyopathyBillable
I25.6Silent myocardial ischemiaBillable
I25.7Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectorisCategory
I25.70Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectorisCategory
I25.700Atherosclerosis of coronary artery bypass graft(s), unspecified, with unstable angina pectorisBillable
I25.701Atherosclerosis of coronary artery bypass graft(s), unspecified, with angina pectoris with documented spasmBillable
I25.702Atherosclerosis of coronary artery bypass graft(s), unspecified, with refractory angina pectorisBillable
I25.708Atherosclerosis of coronary artery bypass graft(s), unspecified, with other forms of angina pectorisBillable
I25.709Atherosclerosis of coronary artery bypass graft(s), unspecified, with unspecified angina pectorisBillable
I25.71Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectorisCategory
I25.710Atherosclerosis of autologous vein coronary artery bypass graft(s) with unstable angina pectorisBillable
I25.711Atherosclerosis of autologous vein coronary artery bypass graft(s) with angina pectoris with documented spasmBillable
I25.712Atherosclerosis of autologous vein coronary artery bypass graft(s) with refractory angina pectorisBillable
I25.718Atherosclerosis of autologous vein coronary artery bypass graft(s) with other forms of angina pectorisBillable
I25.719Atherosclerosis of autologous vein coronary artery bypass graft(s) with unspecified angina pectorisBillable
I25.72Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectorisCategory
I25.720Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectorisBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.