I21.01
BillableST elevation (STEMI) myocardial infarction involving left main coronary artery
I21.01 is the ICD-10-CM code for ST elevation (STEMI) myocardial infarction involving left main coronary artery. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
No additional coding notes for this code.
Frequently asked questions
- What is ICD-10 code I21.01?
- I21.01 is the ICD-10-CM code for "ST elevation (STEMI) myocardial infarction involving left main coronary artery". It falls under I00-I99 Diseases of the circulatory system.
- Is I21.01 a billable code?
- Yes — I21.01 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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