Convert ICD-10 Code C11.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C11.1 Malignant neoplasm of posterior wall of nasopharynx		147.1 Mal neo post nasopharynx

ICD-10 to ICD-9 crosswalk for code C11.1 - malignant neoplasm of posterior wall of nasopharynx based on the most recent General Equivalence Mappings (GEMS) information.