2C22.2

ICD-11 MMS 2026-01

Malignant epithelial neoplasms of accessory sinuses, unspecified type

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

  • Malignant epithelial neoplasms of accessory sinuses, unspecified type
  • Malignant epithelial neoplasms of maxillary sinus, unspecified type
  • Malignant epithelial neoplasms of ethmoidal sinus, unspecified type
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  • Malignant epithelial neoplasms of frontal sinus, unspecified type
  • Malignant epithelial neoplasms of sphenoidal sinus, unspecified type
  • Malignant epithelial neoplasms involving overlapping sites of accessory sinuses, unspecified type

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
  • 2C22.3 – Melanomas of accessory sinuses
  • 2C22.Y – Other specified malignant neoplasms of accessory sinuses
  • 2C22.Z – Malignant neoplasms of accessory sinuses, unspecified

Foundation entity

Malignant epithelial neoplasms of accessory sinuses, unspecified type – http://id.who.int/icd/entity/726493579

Allowed postcoordination axes

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