2C23

ICD-11 MMS 2026-01

Malignant neoplasms of larynx

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

  • http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms

Exclusions from above levels

  • 2C51.2 – Mesotheliomas of peritoneum
  • 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

  • 2C23.1 – Malignant neoplasms of glottis of larynx
  • 2C23.2 – Malignant neoplasms of supraglottis of larynx
  • 2C23.3 – Malignant neoplasms of subglottis of larynx
  • 2C23.4 – Malignant neoplasm of laryngeal cartilage
  • 2C23.5 – Malignant neoplasm of overlapping lesion of larynx
  • 2C23.Z – Malignant neoplasms of larynx, unspecified

Sibling codes

  • 2C20 – Malignant neoplasms of nasal cavity
  • 2C21 – Malignant neoplasms of middle ear
  • 2C22 – Malignant neoplasms of accessory sinuses
  • 2C24 – Malignant neoplasms of trachea
  • 2C25 – Malignant neoplasms of bronchus or lung
  • 2C26 – Malignant neoplasms of the pleura
  • 2C27 – Malignant neoplasms of thymus
  • 2C28 – Malignant neoplasms of heart or mediastinum
  • 2C29 – Malignant neoplasms of other or ill-defined sites in the respiratory system or intrathoracic organs

Foundation entity

Malignant neoplasms of larynx – http://id.who.int/icd/entity/75194057

Allowed postcoordination axes

Part of: 02: Neoplasms