Convert ICD-10 Code I21.01 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I21.01 STEMI involving left main coronary artery		410.11 AMI anterior wall, init
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 I21.01 - st elevation (stemi) myocardial infarction involving left main coronary artery based on the most recent General Equivalence Mappings (GEMS) information.