2B80.1

ICD-11 MMS 2026-01

Malignant neoplasms of jejunum or ileum

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

http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
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

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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

2B80.10 – Adenocarcinoma of jejunum or ileum
2B80.11 – Neuroendocrine neoplasms of jejunum or ileum
2B80.1Y – Other specified malignant neoplasms of jejunum or ileum
2B80.1Z – Malignant neoplasms of jejunum or ileum, unspecified

Sibling codes

2B80.0 – Malignant neoplasms of duodenum
2B80.2 – Malignant neoplasms of small intestine, site unspecified
2B80.Y – Other specified malignant neoplasms of small intestine
2B80.Z – Malignant neoplasms of small intestine, unspecified

Foundation entity

Malignant neoplasms of jejunum or ileum – http://id.who.int/icd/entity/1135366344

Allowed postcoordination axes

Part of: 2B80: Malignant neoplasms of small intestine › 02: Neoplasms