Convert ICD-10 Code C10.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C10.9 Malignant neoplasm of oropharynx, unspecified		146.9 Malig neo oropharynx NOS

ICD-10 to ICD-9 crosswalk for code C10.9 - malignant neoplasm of oropharynx, unspecified based on the most recent General Equivalence Mappings (GEMS) information.