Malignant neoplasm of ampulla of Vater

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Malignant neoplasm of ampulla of Vater

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C24 Malignant neoplasm of other and unspecified parts of biliary tract

Excludes1 - never coded here

malignant neoplasm of intrahepatic bile duct (C22.1)

Inherited from the C15-C26 section Malignant neoplasms of digestive organs (C15-C26)

Excludes1 - never coded here

Kaposi's sarcoma of gastrointestinal sites (C46.4)

Excludes2 - not included here

gastrointestinal stromal tumors (C49.A-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Neoplasm, neoplastic > Vater's ampulla
Neoplasm, neoplastic > ampulla of Vater

Codes in the same group

Code	Description	Status
C24.0	Malignant neoplasm of extrahepatic bile duct	Valid
C24.8	Malignant neoplasm of overlapping sites of biliary tract	Valid
C24.9	Malignant neoplasm of biliary tract, unspecified	Valid