2C22.3

ICD-11 MMS 2026-01

Melanomas of accessory sinuses

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

  • Melanomas of accessory sinuses
  • Melanomas of maxillary sinus
  • Melanomas of ethmoidal sinus
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  • Melanomas of frontal sinus
  • Melanomas of sphenoidal sinus
  • Melanomas involving overlapping sites of accessory sinuses

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

  • 2C22.0 – Adenocarcinoma of accessory sinuses
  • 2C22.1 – Squamous cell carcinoma of accessory sinuses
  • 2C22.2 – Malignant epithelial neoplasms of accessory sinuses, unspecified type
  • 2C22.Y – Other specified malignant neoplasms of accessory sinuses
  • 2C22.Z – Malignant neoplasms of accessory sinuses, unspecified

Foundation entity

Melanomas of accessory sinuses – http://id.who.int/icd/entity/638874599

Allowed postcoordination axes

Part of: 2C22: Malignant neoplasms of accessory sinuses › 02: Neoplasms