ICD-10-CM 2027
ICD-10 code for ischemic cardiomyopathy
From the official ICD-10-CM alphabetic index entry “Cardiomyopathy (familial) (idiopathic) › ischemic”. Page updated September 29, 2026.
About coding ischemic cardiomyopathy
The ICD-10-CM code for ischemic cardiomyopathy is I25.5 (Ischemic cardiomyopathy).
Within I25 (chronic ischemic heart disease), I25.5 is specifically for ischemic cardiomyopathy. Related codes cover Atherosclerotic heart disease of native coronary artery (I25.1), old myocardial infarction (I25.2), aneurysm of heart (I25.3), coronary artery aneurysm and dissection (I25.4), Silent myocardial ischemia (I25.6), atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris (I25.7), other forms of chronic ischemic heart disease (I25.8) and unspecified (I25.9).
The conditions in its Excludes2 note aren't part of I25.5, but may be coded alongside it if the patient has both: coronary atherosclerosis (I25.1-, I25.7-).
Use an additional code to identify: chronic total occlusion of coronary artery (I25.82), exposure to environmental tobacco smoke (Z77.22), history of tobacco dependence (Z87.891), occupational exposure to environmental tobacco smoke (Z57.31), tobacco dependence (F17.-) and 1 more.
Common questions about ischemic cardiomyopathy ICD-10 codes
What is the ICD-10 code for ischemic cardiomyopathy?
- I25.5 — Ischemic cardiomyopathy.
Is I25.5 billable?
- Yes. I25.5 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I25.5 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I25.5 as a principal diagnosis.
Is I25.5 a CC or MCC?
- No. I25.5 is neither a CC nor an MCC under MS-DRG v44.0.