2B90.3Z

ICD-11 MMS 2026-01

Malignant neoplasm of sigmoid colon, unspecified

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

  • 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

  • 2B90.30 – Adenocarcinoma of sigmoid colon
  • 2B90.3Y – Other specified malignant neoplasm of sigmoid colon

Foundation entity

Malignant neoplasm of sigmoid colon – http://id.who.int/icd/entity/1717786596

Allowed postcoordination axes

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