Convert ICD-10 Code C44.191 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C44.191 Oth malignant neoplasm skin/ unsp eyelid, including canthus		173.19 Mal neo eyelid/canth 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 C44.191 - other specified malignant neoplasm of skin of unspecified eyelid, including canthus based on the most recent General Equivalence Mappings (GEMS) information.