ICD-10-CM · Chapter 9 · I00–I99
I25
Chronic ischemic heart disease
Diseases of the circulatory system
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- I25
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 9 — Diseases of the circulatory system
- Category
- I25
- Specificity
- 3 characters
How coders use this code
ICD-10-CM I25 is a category (header) for chronic ischemic heart disease. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in I25
- I25.1Atherosclerotic heart disease of native coronary artery
- I25.10Atherosclerotic heart disease of native coronary artery without angina pectoris
- I25.11Atherosclerotic heart disease of native coronary artery with angina pectoris
- I25.110Atherosclerotic heart disease of native coronary artery with unstable angina pectoris
- I25.111Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm
- I25.112Atherosclerotic heart disease of native coronary artery with refractory angina pectoris
- I25.118Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris
- I25.119Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris
- I25.2Old myocardial infarction
- I25.3Aneurysm of heart
- I25.4Coronary artery aneurysm and dissection
- I25.41Coronary artery aneurysm
- I25.42Coronary artery dissection
- I25.5Ischemic cardiomyopathy
- I25.6Silent myocardial ischemia
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