2C16.1

ICD-11 MMS 2026-01

Neuroendocrine neoplasms of ampulla of Vater

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 ampulla of Vater
  • NEC - [neuroendocrine carcinoma] of ampulla of Vater
  • NET of ampulla of Vater

Exclusions from above levels

  • http://id.who.int/icd/entity/111033337 – Malignant neoplasm metastasis in digestive system
  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • 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

  • 2C16.0 – Adenocarcinoma of ampulla of Vater
  • 2C16.Y – Other specified malignant neoplasms of ampulla of Vater
  • 2C16.Z – Malignant neoplasms of ampulla of Vater, unspecified

Foundation entity

Neuroendocrine neoplasms of ampulla of Vater – http://id.who.int/icd/entity/761397346

Allowed postcoordination axes

Part of: 2C16: Malignant neoplasms of ampulla of Vater › 02: Neoplasms