I21.1 - ST elevation (STEMI) myocardial infarction of inferior wall I21 - ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction I21.1 - ST elevation (STEMI) myocardial infarction of inferior wall
I21.11 - ST elevation (STEMI) myocardial infarction involving right coronary artery I21.19 - ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall