ICD-10 Code: I21.21 – ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery
ICD-10 code I21.21 corresponds to ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery. This code is classified under the chapter I21 Acute myocardial infarction, which is part of the I20-I25: Ischemic heart diseases category.
The parent chapter is Diseases of the circulatory system.