2B80.11

ICD-11 MMS 2026-01

Neuroendocrine neoplasms of jejunum or ileum

Description

Neoplasms that arise from the cells of neuroendocrine system lining the jejunum or ileum including well-differentiated (low- to intermediated grade) neuroendocrine tumours. These include carcinoid tumour.

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

  • Neuroendocrine neoplasms of jejunum or ileum
  • NET - [neuroendocrine tumour] of jejunum or ileum
  • carcinoid tumour of jejunum or ileum
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  • Neuroendocrine tumour of jejunum or ileum
  • Neuroendocrine carcinoma of jejunum or ileum
  • Other specified neuroendocrine neoplasm of jejunum or ileum
  • Neuroendocrine tumour of jejunum or ileum, G1 carcinoid
  • Neuroendocrine tumour of jejunum or ileum, G2

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

Sibling codes

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

Foundation entity

Neuroendocrine neoplasms of jejunum or ileum – http://id.who.int/icd/entity/1148257852

Allowed postcoordination axes

Part of: 2B80.1: Malignant neoplasms of jejunum or ileum › 2B80: Malignant neoplasms of small intestine › 02: Neoplasms