2C22.10

ICD-11 MMS 2026-01

Squamous cell carcinoma of sphenoidal sinus

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

  • Squamous cell carcinoma of sphenoidal sinus

Exclusions from above levels

  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
  • 2C51.2 – Mesotheliomas of peritoneum
  • http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
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  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

  • 2C22.1Y – Squamous cell carcinoma of other specified accessory sinuses

Foundation entity

Squamous cell carcinoma of sphenoidal sinus – http://id.who.int/icd/entity/1779506452

Allowed postcoordination axes

Part of: 2C22.1: Squamous cell carcinoma of accessory sinuses › 2C22: Malignant neoplasms of accessory sinuses › 02: Neoplasms