2C21.1

ICD-11 MMS 2026-01

Squamous cell carcinoma of middle ear

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 middle ear

Exclusions from above levels

  • http://id.who.int/icd/entity/1706880799 – malignant neoplasm of skin of (external) ear
  • http://id.who.int/icd/entity/1965082709 – malignant neoplasm of cartilage of ear
  • 2C51.2 – Mesotheliomas of peritoneum
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  • 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

  • 2C21.0 – Adenocarcinoma of middle ear
  • 2C21.2 – Unspecified malignant epithelial neoplasm of middle ear
  • 2C21.Y – Other specified malignant neoplasm of middle ear
  • 2C21.Z – Malignant neoplasms of middle ear, unspecified

Foundation entity

Squamous cell carcinoma of middle ear – http://id.who.int/icd/entity/766294541

Allowed postcoordination axes

Part of: 2C21: Malignant neoplasms of middle ear › 02: Neoplasms