2B90.20

ICD-11 MMS 2026-01

Adenocarcinoma of transverse colon

Description

A malignant tumour with glandular differentiation arising from epithelium of transverse colon.

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

  • Adenocarcinoma of transverse colon
  • adenocarcinoma of colon transversum

Exclusions from above levels

  • 2B81 – Malignant neoplasms of appendix
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • http://id.who.int/icd/entity/111033337 – Malignant neoplasm metastasis in digestive system
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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

  • 2B90.2Y – Other specified malignant neoplasm of transverse colon
  • 2B90.2Z – Malignant neoplasm of transverse colon, unspecified

Foundation entity

Adenocarcinoma of transverse colon – http://id.who.int/icd/entity/861313622

Allowed postcoordination axes

Part of: 2B90.2: Malignant neoplasm of transverse colon › 2B90: Malignant neoplasms of colon › 02: Neoplasms