Malignant neoplasm of other and unspecified parts of biliary tract (C24)
Neoplasms (C00–D49)
Malignant neoplasms of digestive organs (C15-C26)
C24 Malignant neoplasm of other and unspecified parts of biliary tract
- C24.0 Malignant neoplasm of extrahepatic bile duct
- C24.1 Malignant neoplasm of ampulla of Vater
- C24.8 Malignant neoplasm of overlapping sites of biliary tract
- C24.9 Malignant neoplasm of biliary tract, unspecified
Malignant neoplasm of other and unspecified parts of biliary tract (C24)
Instructional Notations
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- malignant neoplasm of intrahepatic bile duct C22.1
Clinical Terms
The following clinical terms provide additional context, helping users better understand the clinical background and common associations for each diagnosis listed in this section. Including related terms alongside ICD-10-CM codes supports coders, billers, and healthcare professionals in improving accuracy, enhancing documentation, and facilitating research or patient education.
Ampulla of Vater
A dilation of the duodenal papilla that is the opening of the juncture of the COMMON BILE DUCT and the MAIN PANCREATIC DUCT, also known as the hepatopancreatic ampulla.