Diagnosis Codes Index - Diseases of the respiratory system

    • ICD-9 Index

      • Diseases of the respiratory system (460–519)

        • Other diseases of upper respiratory tract (470-478)

          • 470 Deviated nasal septum
          • 471 Nasal polyps
          • 472 Chronic pharyngitis and nasopharyngitis
          • 473 Chronic sinusitis
          • 474 Chronic disease of tonsils and adenoids
          • 475 Peritonsillar abscess
          • 476 Chronic laryngitis and laryngotracheitis
          • 477 Allergic rhinitis
          • 478 Other diseases of upper respiratory tract

        • Pneumonia and influenza (480-488)

          • 480 Viral pneumonia
          • 481 Pneumococcal pneumonia [Streptococcus pneumoniae pneumonia]
          • 482 Other bacterial pneumonia
          • 483 Pneumonia due to other specified organism
          • 484 Pneumonia in infectious diseases classified elsewhere
          • 485 Bronchopneumonia, organism unspecified
          • 486 Pneumonia, organism unspecified
          • 487 Influenza
          • 488 Influenza due to identified avian influenza virus

        • Chronic obstructive pulmonary disease and allied conditions (490-496)

          • 490 Bronchitis, not specified as acute or chronic
          • 491 Chronic bronchitis
          • 492 Emphysema
          • 493 Asthma
          • 494 Bronchiectasis
          • 495 Extrinsic allergic alveolitis
          • 496 Chronic airways obstruction, not elsewhere classified

        • Pneumoconioses and other lung diseases due to external agents (500-508)

          • 500 Coalworkers' pneumoconiosis
          • 501 Asbestosis
          • 502 Pneumoconiosis due to other silica or silicates
          • 503 Pneumoconiosis due to other inorganic dust
          • 504 Pneumopathy due to inhalation of other dust
          • 505 Pneumoconiosis, unspecified
          • 506 Respiratory conditions due to chemical fumes and vapors
          • 507 Pneumonitis due to solids and liquids
          • 508 Respiratory conditions due to other and unspecified external agents

        • Other diseases of respiratory system (510-519)

          • 510 Empyema
          • 511 Pleurisy
          • 512 Pneumothorax
          • 513 Abscess of lung and mediastinum
          • 514 Pulmonary congestion and hypostasis
          • 515 Postinflammatory pulmonary fibrosis
          • 516 Other alveolar and parietoalveolar pneumopathy
          • 517 Lung involvement in conditions classified elsewhere
          • 518 Other diseases of lung
          • 519 Other diseases of respiratory system

        • Acute respiratory infections (460-466)

          • 460 Acute nasopharyngitis [common cold]
          • 461 Acute sinusitis
          • 462 Acute pharyngitis
          • 463 Acute tonsillitis
          • 464 Acute laryngitis and tracheitis
          • 465 Acute upper respiratory infections of multiple or unspecified sites
          • 466 Acute bronchitis and bronchiolitis