Convert ICD-10 Code Y37.221D to ICD-9

Source ICD-10 Code		Target ICD-9 Code
Y37.221D Milt op involving explosn of guided missile, civilian, subs		E993.1 War inj:guided missile
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 Y37.221D - military operations involving explosion of guided missile, civilian, subsequent encounter based on the most recent General Equivalence Mappings (GEMS) information.