Convert ICD-10 Code H74.42 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H74.42 Polyp of left middle ear		385.32 Cholesteatoma middle ear
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 H74.42 - polyp of left middle ear based on the most recent General Equivalence Mappings (GEMS) information.