2B6B.21

ICD-11 MMS 2026-01

Other or unspecified malignant epithelial neoplasm of pharyngeal tonsil

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

  • Other or unspecified malignant epithelial neoplasm of pharyngeal tonsil

Exclusions from above levels

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

  • 2B6B.20 – Squamous cell carcinoma of pharyngeal tonsil
  • 2B6B.2Y – Other specified malignant neoplasms of pharyngeal tonsil
  • 2B6B.2Z – Malignant neoplasm of pharyngeal tonsil without mention of type

Foundation entity

Other or unspecified malignant epithelial neoplasm of pharyngeal tonsil – http://id.who.int/icd/entity/1065258785

Allowed postcoordination axes

Part of: 2B6B.2: Malignant neoplasms of pharyngeal tonsil › 2B6B: Malignant neoplasms of nasopharynx › 02: Neoplasms