Convert ICD-10 Code C51.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C51.9 Malignant neoplasm of vulva, unspecified		184.4 Malign neopl vulva NOS

ICD-10 to ICD-9 crosswalk for code C51.9 - malignant neoplasm of vulva, unspecified based on the most recent General Equivalence Mappings (GEMS) information.