2B90.Z

ICD-11 MMS 2026-01

Malignant neoplasms of 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

  • 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

  • 2B90.0 – Malignant neoplasm of ascending colon or right flexure of colon
  • 2B90.1 – Malignant neoplasm of descending colon or splenic flexure of colon
  • 2B90.2 – Malignant neoplasm of transverse colon
  • 2B90.3 – Malignant neoplasm of sigmoid colon
  • 2B90.Y – Other specified malignant neoplasms of colon

Foundation entity

Malignant neoplasms of colon – http://id.who.int/icd/entity/1265576634

Allowed postcoordination axes

Part of: 2B90: Malignant neoplasms of colon › 02: Neoplasms