World Health Organization · 2026-01 · English
Symptoms or signs involving 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
21Haemorrhage from respiratory passagesMD10Abnormal sputumMD11Abnormalities of breathingMD12CoughMD30Pain in throat or chestMD31PleurisyMD32RalesMD33Respiratory arrestMD34Symptom or complaint of the noseMD35Symptom or complaint of the sinusMD36Symptom or complaint of the throatMD3YOther specified symptoms or signs involving the respiratory system© World Health Organization · CC BY-ND 3.0 IGO