Convert ICD-10 Code C44.209 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C44.209 Unsp malig neoplasm skin/ left ear and external auric canal		173.20 Malig neo skin ear 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 C44.209 - unspecified malignant neoplasm of skin of left ear and external auricular canal based on the most recent General Equivalence Mappings (GEMS) information.