Convert ICD-10 Code H66.21 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H66.21 Chronic atticoantral suppurative otitis media, right ear		382.2 Chr atticoantral sup OM
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 H66.21 - chronic atticoantral suppurative otitis media, right ear based on the most recent General Equivalence Mappings (GEMS) information.