2C17.Y

ICD-11 MMS 2026-01

Other specified malignant neoplasms of overlapping lesion of biliary tract

Coding note from above levels

For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.

Exclusions from above levels

  • 2C12 – Malignant neoplasm of intrahepatic bile duct
  • http://id.who.int/icd/entity/111033337 – Malignant neoplasm metastasis in digestive system
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
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  • http://id.who.int/icd/entity/794095161 – Malignant neoplasms of lip, oral cavity or pharynx
  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

  • 2C17.0 – Adenocarcinoma of other or unspecified parts of biliary tract
  • 2C17.1 – Mucinous cystic neoplasm with associated invasive carcinoma of other or unspecified parts of biliary tract
  • 2C17.2 – Neuroendocrine neoplasms of other or unspecified parts of biliary tract
  • 2C17.Z – Malignant neoplasms of other or unspecified parts of biliary tract, unspecified

Foundation entity

Malignant neoplasms of other or unspecified parts of biliary tract – http://id.who.int/icd/entity/1159416016

Allowed postcoordination axes

Part of: 2C17: Malignant neoplasms of other or unspecified parts of biliary tract › 02: Neoplasms