Convert ICD-10 Code H75.80 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H75.80 Oth disrd of mid ear and mast in dis classd elswhr, unsp ear		383.89 Disorders of mastoid NEC
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 H75.80 - other specified disorders of middle ear and mastoid in diseases classified elsewhere, unspecified ear based on the most recent General Equivalence Mappings (GEMS) information.