Convert ICD-10 Code H60.42 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H60.42 Cholesteatoma of left external ear		380.21 Cholesteatoma extern 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 H60.42 - cholesteatoma of left external ear based on the most recent General Equivalence Mappings (GEMS) information.