| I23 | Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period) | NON-BILLABLE CODE |
| I23.0 | Hemopericardium as current complication following acute myocardial infarction | BILLABLE CODE |
| I23.1 | Atrial septal defect as current complication following acute myocardial infarction | BILLABLE CODE |
| I23.2 | Ventricular septal defect as current complication following acute myocardial infarction | BILLABLE CODE |
| I23.3 | Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction | BILLABLE CODE |
| I23.4 | Rupture of chordae tendineae as current complication following acute myocardial infarction | BILLABLE CODE |
| I23.5 | Rupture of papillary muscle as current complication following acute myocardial infarction | BILLABLE CODE |
| I23.6 | Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction | BILLABLE CODE |
| I23.7 | Postinfarction angina | BILLABLE CODE |
