2B90.3

ICD-11 MMS 2026-01

Malignant neoplasm 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.

Excludes

2B91 – Malignant neoplasms of rectosigmoid junction

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

Child codes

2B90.30 – Adenocarcinoma of sigmoid colon
2B90.3Y – Other specified malignant neoplasm of sigmoid colon
2B90.3Z – Malignant neoplasm of sigmoid colon, unspecified

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.Y – Other specified malignant neoplasms of colon
2B90.Z – Malignant neoplasms of colon, unspecified

Foundation entity

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

Allowed postcoordination axes

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