Convert ICD-10 Code C49.0 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C49.0 Malig neoplm of conn and soft tissue of head, face and neck		171.0 Mal neo soft tissue head
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 C49.0 - malignant neoplasm of connective and soft tissue of head, face and neck based on the most recent General Equivalence Mappings (GEMS) information.