I21.4
BillableNon-ST elevation (NSTEMI) myocardial infarction
I21.4 is the ICD-10-CM code for Non-ST elevation (NSTEMI) myocardial infarction. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
Includes
- •Acute subendocardial myocardial infarction
- •Non-Q wave myocardial infarction NOS
- •Nontransmural myocardial infarction NOS
- •Type 1 non-ST elevation myocardial infarction
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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