icd alt_code description mi_cat I21 I21 Acute myocardial infarction 3.MI I21.0 I210 Acute transmural myocardial infarction of anterior wall 3.MI I21.1 I211 Acute transmural myocardial infarction of inferior wall 3.MI I21.2 I212 Acute transmural myocardial infarction of other sites 3.MI I21.3 I213 Acute transmural myocardial infarction of unspecified site 3.MI I21.4 I214 Acute subendocardial myocardial infarction 3.MI I21.9 I219 Acute myocardial infarction, unspecified 3.MI I22 I22 Subsequent myocardial infarction 3.MI I22.0 I220 Subsequent myocardial infarction of anterior wall 3.MI I22.1 I221 Subsequent myocardial infarction of inferior wall 3.MI I22.8 I228 Subsequent myocardial infarction of other sites 3.MI I22.9 I229 Subsequent myocardial infarction of unspecified site 3.MI I23 I23 Certain current complications following acute myocardial infarction 3.MI I23.0 I230 Haemopericardium as current complication following acute myocardial infarction 3.MI I23.1 I231 Atrial septal defect as current complication following acute myocardial infarction 3.MI I23.2 I232 Ventricular septal defect as current complication following acute myocardial infarction 3.MI I23.3 I233 Rupture of cardiac wall without haemopericardium as current complication following acute myocardial infarction 3.MI I23.4 I234 Rupture of chordae tendineae as current complication following acute myocardial infarction 3.MI I23.5 I235 Rupture of papillary muscle as current complication following acute myocardial infarction 3.MI I23.6 I236 Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction 3.MI I23.8 I238 Other current complications following acute myocardial infarction 3.MI I24.1 I241 Dressler's syndrome 1.History of I25.2 I252 Old myocardial infarction 1.History of