Convert ICD-10 Code D04.21 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
D04.21 Ca in situ skin of right ear and external auricular canal		232.2 Ca in situ skin 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 D04.21 - carcinoma in situ of skin of right ear and external auricular canal based on the most recent General Equivalence Mappings (GEMS) information.