Convert ICD-10 Code Y37.421A to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Y37.421A Milt op involving firearms pellets, civilian, init		E991.1 War injury:pellets
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 Y37.421A - military operations involving firearms pellets, civilian, initial encounter based on the most recent General Equivalence Mappings (GEMS) information.