Convert ICD-10 Code I42.7 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I42.7 Cardiomyopathy due to drug and external agent		425.9 Second cardiomyopath NOS
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 I42.7 - cardiomyopathy due to drug and external agent based on the most recent General Equivalence Mappings (GEMS) information.