World Health Organization · 2026-01 · English
Malignant neoplasms of middle ear, respiratory or intrathoracic organs
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
2C20Malignant neoplasms of nasal cavity2C21Malignant neoplasms of middle ear2C22Malignant neoplasms of accessory sinuses2C23Malignant neoplasms of larynx2C24Malignant neoplasms of trachea2C25Malignant neoplasms of bronchus or lung2C26Malignant neoplasms of the pleura2C27Malignant neoplasms of thymus2C28Malignant neoplasms of heart or mediastinum2C29Malignant neoplasms of other or ill-defined sites in the respiratory system or intrathoracic organs© World Health Organization · CC BY-ND 3.0 IGO