I25.9
ICD-10BillableChronic ischemic heart disease, unspecified
Official ICD-10-CM descriptor (FY2026)
Chronic ischemic heart disease, unspecified
I25.9 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Ischemic heart disease (chronic) NOS
Related codes in I25
- I25.1Atherosclerotic heart disease of native coronary arterycategory
- I25.2Old myocardial infarction
- I25.3Aneurysm of heart
- I25.4Coronary artery aneurysm and dissectioncategory
- I25.5Ischemic cardiomyopathy
- I25.6Silent myocardial ischemia
- I25.7Athscl CABG and cor art of transplanted heart w ang pctrscategory
- I25.8Other forms of chronic ischemic heart diseasecategory
Where this code sits
- Parent code
- I25
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.