Convert ICD-10 Code I23.4 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I23.4 Rupture of chord tendne as current comp following AMI		429.5 Chordae tendinae rupture
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code I23.4 - rupture of chordae tendineae as current complication following acute myocardial infarction based on the most recent General Equivalence Mappings (GEMS) information.