Convert ICD-10 Code H74.90 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H74.90 Unsp disorder of middle ear and mastoid, unspecified ear		385.9 Dis mid ear/mastoid 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 H74.90 - unspecified disorder of middle ear and mastoid, unspecified ear based on the most recent General Equivalence Mappings (GEMS) information.