Convert ICD-10 Code C21.1 to ICD-9

Source ICD-10 Code Target ICD-9 Code
C21.1
Malignant neoplasm of anal canal
154.2
Malig neopl anal canal

ICD-10 to ICD-9 crosswalk for code C21.1 - malignant neoplasm of anal canal based on the most recent General Equivalence Mappings (GEMS) information.