I21.11

Billable

ST elevation (STEMI) myocardial infarction involving right coronary artery

I21.11 is the ICD-10-CM code for ST elevation (STEMI) myocardial infarction involving right coronary artery. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I21.1
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

  • Inferoposterior transmural (Q wave) infarction (acute)

Frequently asked questions

What is ICD-10 code I21.11?
I21.11 is the ICD-10-CM code for "ST elevation (STEMI) myocardial infarction involving right coronary artery". It falls under I00-I99 Diseases of the circulatory system.
Is I21.11 a billable code?
Yes — I21.11 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.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.