World Health Organization · 2026-01 · English
Diseases of the respiratory system
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
12Respiratory diseases principally affecting the lung interstitium12Lung diseases due to external agents12Certain lower respiratory tract diseases12Postprocedural disorders of the respiratory system12Upper respiratory tract disorders12Pleural, diaphragm or mediastinal disorders12Lung infectionsCB40Certain diseases of the respiratory systemCB41Respiratory failureCB7ZDiseases of the respiratory system, unspecified© World Health Organization · CC BY-ND 3.0 IGO