World Health Organization · 2026-01 · English
Upper respiratory tract disorders
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
CA00Acute nasopharyngitisCA01Acute sinusitisCA02Acute pharyngitisCA03Acute tonsillitisCA04Acute laryngopharyngitisCA05Acute laryngitis or tracheitisCA06Acute obstructive laryngitis or epiglottitisCA07Acute upper respiratory infections of multiple and unspecified sitesCA08Vasomotor or allergic rhinitisCA09Chronic rhinitis, nasopharyngitis or pharyngitisCA0AChronic rhinosinusitisCA0BSilent sinus syndromeCA0CCyst or mucocele of nose or nasal sinusCA0DDeviated nasal septumCA0EHypertrophy of nasal turbinatesCA0FChronic diseases of tonsils or adenoidsCA0GChronic laryngitis or laryngotracheitisCA0HDiseases of vocal cords or larynx, not elsewhere classifiedCA0JNasal polypCA0KAbscess of upper respiratory tractCA0YOther specified upper respiratory tract disordersCA0ZUpper respiratory tract disorders, unspecified© World Health Organization · CC BY-ND 3.0 IGO