I23 - Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)
I23.4 - Rupture of chordae tendineae as current complication following acute myocardial infarction
Excludes 1:
-rupture of chordae tendineae not specified as current complication following acute myocardial infarction I51.1)