ICD-10 Code: I20.81 – Angina pectoris with coronary microvascular dysfunction
ICD-10 code I20.81 corresponds to Angina pectoris with coronary microvascular dysfunction. This code is classified under the chapter I20 Angina pectoris, which is part of the I20-I25: Ischemic heart diseases category.
The parent chapter is Diseases of the circulatory system.