ICD-9-CM International Classification of Diseases

460 Acute nasopharyngitis [common cold]
461 Acute sinusitis

462 Acute pharyngitis
463 Acute tonsillitis
464 Acute laryngitis & tracheitis
465 Acute upper respiratory infections of multiple or unspecified sites
466 Acute bronchitis & bronchiolitis
470 Deviated nasal septum
471 Nasal polyps
471.0 Polyp of nasal cavity
471.1 Polypoid sinus degeneration
471.8 Other polyp of sinus
471.9 Unspecified nasal polyp
472 Chronic pharyngitis & nasopharyngitis
473 Chronic sinusitis
474 Chronic disease of tonsils & adenoids
475 Peritonsillar abscess
476 Chronic laryngitis & laryngotracheitis
477 Allergic rhinitis
478 Other diseases of upper respiratory tract
480 Viral pneumonia
481 Pneumococcal pneumonia
482 Other bacterial pneumonia
483 Pneumonia due to other specified organism
485 Bronchopneumonia, organism unspecified
486 Pneumonia, organism unspecified
487 Influenza
490 Bronchitis, not specified as acute or chronic
491 Chronic bronchitis
492 Emphysema
493 Asthma
494 Bronchiectasis
495 Extrinsic allergic alveolitis
496 Chronic airway obstruction, not elsewhere classified
500 Coal workers" pneumoconiosis
501 Asbestosis
502 Pneumoconiosis due to other silica or silicates
503 Pneumoconiosis due to other inorganic dust
504 Pneumonopathy due to inhalation of other dust
505 Pneumoconiosis, unspecified
506 Respiratory conditions due to chemical fumes & vapors
507 Pneumonitis due to solids & liquids
508 Respiratory conditions due to other & unspecified external agents
510 Empyema
511 Pleurisy
512 Pneumothorax
513 Abscess of lung & mediastinum
514 Pulmonary congestion & hypostasis
515 Postinflammatory pulmonary fibrosis
516 Other alveolar & parietoalveolar pneumonopathy
518 Other diseases of lung
519 Other diseases of respiratory system