2B90.30

ICD-11 MMS 2026-01

Adenocarcinoma of sigmoid colon

Description

A malignant tumour with glandular differentiation arising from epithelium of sigmoid 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 sigmoid colon

Exclusions from above levels

  • 2B91 – Malignant neoplasms of rectosigmoid junction
  • 2B81 – Malignant neoplasms of appendix
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
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  • http://id.who.int/icd/entity/111033337 – Malignant neoplasm metastasis in digestive system
  • 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

  • 2B90.3Y – Other specified malignant neoplasm of sigmoid colon
  • 2B90.3Z – Malignant neoplasm of sigmoid colon, unspecified

Foundation entity

Adenocarcinoma of sigmoid colon – http://id.who.int/icd/entity/104485936

Allowed postcoordination axes

Part of: 2B90.3: Malignant neoplasm of sigmoid colon › 2B90: Malignant neoplasms of colon › 02: Neoplasms