Convert ICD-10 Code C18.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
C18.9 Malignant neoplasm of colon, unspecified		153.9 Malignant neo colon NOS

ICD-10 to ICD-9 crosswalk for code C18.9 - malignant neoplasm of colon, unspecified based on the most recent General Equivalence Mappings (GEMS) information.