Convert ICD-10 Code H70.92 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H70.92 Unspecified mastoiditis, left ear		383.9 Mastoiditis 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 H70.92 - unspecified mastoiditis, left ear based on the most recent General Equivalence Mappings (GEMS) information.