2C29

ICD-11 MMS 2026-01

Malignant neoplasms of other or ill-defined sites in the respiratory system or intrathoracic organs

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

  • 2C29.0 – Squamous cell carcinomas of other and ill-defined sites in the respiratory system or intrathoracic organs
  • 2C29.1 – Other specified malignant neoplasms of other or ill-defined sites in the respiratory system or intrathoracic organs
  • 2C29.Z – Malignant neoplasms of other or ill-defined sites in the respiratory system or intrathoracic organs, unspecified

Sibling codes

  • 2C20 – Malignant neoplasms of nasal cavity
  • 2C21 – Malignant neoplasms of middle ear
  • 2C22 – Malignant neoplasms of accessory sinuses
  • 2C23 – Malignant neoplasms of larynx
  • 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

Foundation entity

Malignant neoplasms of other or ill-defined sites in the respiratory system or intrathoracic organs – http://id.who.int/icd/entity/2119272674

Allowed postcoordination axes

Part of: 02: Neoplasms