System
WHO ICD-10
I21
ICD-10 code
I21
Category
Acute myocardial infarction
Chapter
Chapter IX · Diseases of the circulatory system
About this code
I21 is the ICD-10 category for Acute myocardial infarction, within chapter IX · Diseases of the circulatory system. ICD-10 is the World Health Organization's classification of diseases and is used on medical records, insurance claims and health statistics worldwide. A code is a classification, not a diagnosis: this page is a reference index, not medical advice, and any health question belongs with a doctor.
Nearby codes
I20Angina pectorisI22Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarctionI23Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)I16Hypertensive crisisI24Other acute ischemic heart diseasesI15Secondary hypertension