2B6E

ICD-11 MMS 2026-01

Malignant neoplasms 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.

Excludes

2B66 – Malignant neoplasm of oral cavity NOS
http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms

Exclusions from above levels

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

Child codes

2B6E.0 – Squamous cell carcinoma of other or ill-defined sites in the lip, oral cavity or pharynx
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

Sibling codes

2B60 – Malignant neoplasms of lip
2B61 – Malignant neoplasms of base of tongue
2B62 – Malignant neoplasms of other or unspecified parts of tongue
2B63 – Malignant neoplasms of gum
2B64 – Malignant neoplasms of floor of mouth
2B65 – Malignant neoplasms of palate
2B66 – Malignant neoplasms of other or unspecified parts of mouth
2B67 – Malignant neoplasms of parotid gland
2B68 – Malignant neoplasms of submandibular or sublingual glands
2B69 – Malignant neoplasms of tonsil
2B6A – Malignant neoplasms of oropharynx
2B6B – Malignant neoplasms of nasopharynx
2B6C – Malignant neoplasms of piriform sinus
2B6D – Malignant neoplasms of hypopharynx

Foundation entity

Malignant neoplasms of other or ill-defined sites in the lip, oral cavity or pharynx – http://id.who.int/icd/entity/1118531333

Allowed postcoordination axes

Part of: 02: Neoplasms