2B81.Y

ICD-11 MMS 2026-01

Other specified malignant neoplasms of appendix

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

Sibling codes

  • 2B81.0 – Adenocarcinoma of appendix
  • 2B81.2 – Neuroendocrine neoplasms of appendix
  • 2B81.Z – Malignant neoplasms of appendix, unspecified

Foundation entity

Malignant neoplasms of appendix – http://id.who.int/icd/entity/1892026854

Allowed postcoordination axes

Part of: 2B81: Malignant neoplasms of appendix › 02: Neoplasms