ICD-10 Code: I21.B – Myocardial infarction with coronary microvascular dysfunction
ICD-10 code I21.B corresponds to Myocardial infarction with coronary microvascular dysfunction. 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.