2C12.00

ICD-11 MMS 2026-01

Combined hepatocellular-cholangiocarcinoma

Description

Combined hepatocellular-cholangiocarcinoma is a tumour containing unequivocal, intimately mixed elements of both hepatocellular carcinoma and cholangiocarcinoma.

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.

Index terms

  • Combined hepatocellular-cholangiocarcinoma
  • Hepatocholangiocarcinoma
  • combined hepatocellular carcinoma and cholangiocarcinoma
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  • hepatocellular carcinoma with cholangiocarcinoma
  • mixed hepatocellular and bile duct carcinoma

Inclusions

  • Hepatocholangiocarcinoma

Exclusions from above levels

  • 2C17 – Malignant neoplasm of biliary tract NOS
  • 2D80 – Secondary malignant neoplasm of liver
  • http://id.who.int/icd/entity/111033337 – Malignant neoplasm metastasis in digestive system
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  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • 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

  • 2C12.01 – Hepatoblastoma
  • 2C12.02 – Hepatocellular carcinoma of liver
  • 2C12.03 – Mesothelial carcinoma of liver
  • 2C12.0Y – Other specified malignant neoplasm of liver
  • 2C12.0Z – Malignant neoplasm of liver, unspecified

Foundation entity

Combined hepatocellular-cholangiocarcinoma – http://id.who.int/icd/entity/1097637010

Allowed postcoordination axes

Part of: 2C12.0: Malignant neoplasm of liver › 2C12: Malignant neoplasms of liver or intrahepatic bile ducts › 02: Neoplasms