2B6E.0

ICD-11 MMS 2026-01

Squamous cell carcinoma of other or ill-defined sites in the lip, oral cavity or pharynx

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 other or ill-defined sites in the lip, oral cavity or pharynx
  • Squamous cell carcinoma of pharynx
  • Squamous cell carcinoma of Waldeyer ring
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  • Squamous cell carcinoma involving overlapping sites of lip, oral cavity or pharynx

Exclusions from above levels

  • 2B66 – Malignant neoplasm of oral cavity NOS
  • 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
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  • http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues

Sibling codes

  • 2B6E.Y – Other specified malignant neoplasms of other or ill-defined sites in the lip, oral cavity or pharynx
  • 2B6E.Z – Malignant neoplasms of other or ill-defined sites in the lip, oral cavity or pharynx, unspecified

Foundation entity

Squamous cell carcinoma of other or ill-defined sites in the lip, oral cavity or pharynx – http://id.who.int/icd/entity/472349708

Allowed postcoordination axes

Part of: 2B6E: Malignant neoplasms of other or ill-defined sites in the lip, oral cavity or pharynx › 02: Neoplasms