Is I21.2 a billable code?
No. I21.2 is a header code that groups 2 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
I21.2: ST elevation (STEMI) myocardial infarction of other sites
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
I21.2 groups related diagnoses under st elevation (stemi) myocardial infarction of other sites. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under I21.2
- I21.21ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery
- I21.29ST elevation (STEMI) myocardial infarction involving other sites
Other codes in I21 Acute myocardial infarction
- I21.0ST elevation (STEMI) myocardial infarction of anterior wallheader
- I21.1ST elevation (STEMI) myocardial infarction of inferior wallheader
- I21.3ST elevation (STEMI) myocardial infarction of unspecified site
- I21.4Non-ST elevation (NSTEMI) myocardial infarction
- I21.9Acute myocardial infarction, unspecified
- I21.AOther type of myocardial infarctionheader
- I21.BMyocardial infarction with coronary microvascular dysfunction
I21.2 questions
What does I21.2 mean?
I21.2 is the ICD-10-CM code for ST elevation (STEMI) myocardial infarction of other sites. It is in chapter 9, Diseases of the circulatory system (I00-I99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.