ICD-9-CM Vol. 1 Diagnostic Codes →
8. DISEASES OF THE RESPIRATORY SYSTEM (460-519) →
section notes
OTHER DISEASES OF THE UPPER RESPIRATORY TRACT (470-478) →
section notes
470‑470   470 Deviated nasal septum
471.0‑471.9   471 Nasal polyps
472.0‑472.2   472 Chronic pharyngitis and nasopharyngitis
473.0‑473.9   473 Chronic sinusitis
474.00‑474.9   474 Chronic disease of tonsils and adenoids
475‑475   475 Peritonsillar abscess
476.0‑476.1   476 Chronic laryngitis and laryngotracheitis
477.0‑477.9   477 Allergic rhinitis
478.0‑478.9   478 Other diseases of upper respiratory tract
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