2B6C.0

ICD-11 MMS 2026-01

Squamous cell carcinoma of piriform 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 piriform sinus

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

Sibling codes

  • 2B6C.Y – Other specified malignant neoplasms of piriform sinus
  • 2B6C.Z – Malignant neoplasms of piriform sinus, unspecified

Foundation entity

Squamous cell carcinoma of piriform sinus – http://id.who.int/icd/entity/215991659

Allowed postcoordination axes

Part of: 2B6C: Malignant neoplasms of piriform sinus › 02: Neoplasms