Convert ICD-10 Code I50.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I50.1 Left ventricular failure, unspecified		428.1 Left heart failure

ICD-10 to ICD-9 crosswalk for code I50.1 - left ventricular failure, unspecified based on the most recent General Equivalence Mappings (GEMS) information.