I21.9
Acute myocardial infarction, unspecified
Billable
Code Hierarchy
I21I21.9
Chapter: 9. Diseases of the circulatory system
Section: I20-I25 - Ischemic heart diseases
Coding Guidelines
Inclusion Terms
- Myocardial infarction (acute) NOS
Related Codes
I21.0Category
ST elevation (STEMI) myocardial infarction of anterior wall
I21.1Category
ST elevation (STEMI) myocardial infarction of inferior wall
I21.2Category
ST elevation (STEMI) myocardial infarction of other sites
I21.3Billable
ST elevation (STEMI) myocardial infarction of unspecified site
I21.4Billable
Non-ST elevation (NSTEMI) myocardial infarction
I21.ACategory
Other type of myocardial infarction
I21.BBillable
Myocardial infarction with coronary microvascular dysfunction
