2B81.00

ICD-11 MMS 2026-01

Mucinous adenocarcinoma of appendix

Description

An adenocarcinoma, often cystic, with large amounts of extracellular mucin

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

  • Mucinous adenocarcinoma of appendix

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

Foundation entity

Mucinous adenocarcinoma of appendix – http://id.who.int/icd/entity/425095558

Allowed postcoordination axes

Part of: 2B81.0: Adenocarcinoma of appendix › 2B81: Malignant neoplasms of appendix › 02: Neoplasms