I23 - Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)
I23.1 - Atrial septal defect as current complication following acute myocardial infarction
Excludes 1:
-acquired atrial septal defect not specified as current complication following acute myocardial infarction I51.0)