Convert ICD-10 Code C31.8 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C31.8 Malignant neoplasm of overlapping sites of accessory sinuses		160.8 Mal neo access sinus NEC

ICD-10 to ICD-9 crosswalk for code C31.8 - malignant neoplasm of overlapping sites of accessory sinuses based on the most recent General Equivalence Mappings (GEMS) information.