I21.1
Non-billableST elevation (STEMI) myocardial infarction of inferior wall
I21.1 is the ICD-10-CM code for ST elevation (STEMI) myocardial infarction of inferior wall. It is a non-billable category code — use a more specific child code such as I21.11 for billing.
I00-I99 Diseases of the circulatory system
Includes
- •Type 1 ST elevation myocardial infarction of inferior wall
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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