2B6B.2

ICD-11 MMS 2026-01

Malignant neoplasms 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.

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

Child codes

  • 2B6B.20 – Squamous cell carcinoma of pharyngeal tonsil
  • 2B6B.21 – Other or unspecified malignant epithelial neoplasm of pharyngeal tonsil
  • 2B6B.2Y – Other specified malignant neoplasms of pharyngeal tonsil
  • 2B6B.2Z – Malignant neoplasm of pharyngeal tonsil without mention of type

Sibling codes

  • 2B6B.0 – Squamous cell carcinoma of nasopharynx
  • 2B6B.1 – Malignant epithelial neoplasms of nasopharynx, unspecified type
  • 2B6B.Y – Other specified malignant neoplasms of nasopharynx
  • 2B6B.Z – Malignant neoplasms of nasopharynx, unspecified

Foundation entity

Malignant neoplasms of pharyngeal tonsil – http://id.who.int/icd/entity/1582541971

Allowed postcoordination axes

Part of: 2B6B: Malignant neoplasms of nasopharynx › 02: Neoplasms