ICD-10-CM>C00-D49>C15-C26>C24C24Malignant neoplasm of other and unspecified parts of biliary tractNon-Billable/Non-SpecificType 1 Excludesmalignant neoplasm of intrahepatic bile duct (C22.1)CodesC24.0Malignant neoplasm of extrahepatic bile ductC24.1Malignant neoplasm of ampulla of VaterC24.8Malignant neoplasm of overlapping sites of biliary tractC24.9Malignant neoplasm of biliary tract, unspecified