Convert ICD-10 Code C44.291 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C44.291 Oth malig neoplasm skin/ unsp ear and external auric canal		173.29 Neo skin ear/ex canl 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 C44.291 - other specified malignant neoplasm of skin of unspecified ear and external auricular canal based on the most recent General Equivalence Mappings (GEMS) information.