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Centers for Medicare & Medicaid Services

ICD-9 Codes included in Range 491.0 - 508.9

ICD-9 CodeICD-9 Code Description
491.0SIMPLE CHRONIC BRONCHITIS
491.1MUCOPURULENT CHRONIC BRONCHITIS
491.20OBSTRUCTIVE CHRONIC BRONCHITIS WITHOUT EXACERBATION
491.21OBSTRUCTIVE CHRONIC BRONCHITIS WITH (ACUTE) EXACERBATION
491.22OBSTRUCTIVE CHRONIC BRONCHITIS WITH ACUTE BRONCHITIS
491.8OTHER CHRONIC BRONCHITIS
491.9UNSPECIFIED CHRONIC BRONCHITIS
492.0EMPHYSEMATOUS BLEB
492.8OTHER EMPHYSEMA
493.00EXTRINSIC ASTHMA UNSPECIFIED
493.01EXTRINSIC ASTHMA WITH STATUS ASTHMATICUS
493.02EXTRINSIC ASTHMA WITH (ACUTE) EXACERBATION
493.10INTRINSIC ASTHMA UNSPECIFIED
493.11INTRINSIC ASTHMA WITH STATUS ASTHMATICUS
493.12INTRINSIC ASTHMA WITH (ACUTE) EXACERBATION
493.20CHRONIC OBSTRUCTIVE ASTHMA UNSPECIFIED
493.21CHRONIC OBSTRUCTIVE ASTHMA WITH STATUS ASTHMATICUS
493.22CHRONIC OBSTRUCTIVE ASTHMA WITH (ACUTE) EXACERBATION
493.81EXERCISE-INDUCED BRONCHOSPASM
493.82COUGH VARIANT ASTHMA
493.90ASTHMA UNSPECIFIED
493.91ASTHMA UNSPECIFIED TYPE WITH STATUS ASTHMATICUS
493.92ASTHMA UNSPECIFIED WITH (ACUTE) EXACERBATION
494.0BRONCHIECTASIS WITHOUT ACUTE EXACERBATION
494.1BRONCHIECTASIS WITH ACUTE EXACERBATION
495.0FARMERS' LUNG
495.1BAGASSOSIS
495.2BIRD-FANCIERS' LUNG
495.3SUBEROSIS
495.4MALT WORKERS' LUNG
495.5MUSHROOM WORKERS' LUNG
495.6MAPLE BARK-STRIPPERS' LUNG
495.7'VENTILATION' PNEUMONITIS
495.8OTHER SPECIFIED ALLERGIC ALVEOLITIS AND PNEUMONITIS
495.9UNSPECIFIED ALLERGIC ALVEOLITIS AND PNEUMONITIS
496CHRONIC AIRWAY OBSTRUCTION NOT ELSEWHERE CLASSIFIED
500COAL WORKERS' PNEUMOCONIOSIS
501ASBESTOSIS
502PNEUMOCONIOSIS DUE TO OTHER SILICA OR SILICATES
503PNEUMOCONIOSIS DUE TO OTHER INORGANIC DUST
504PNEUMONOPATHY DUE TO INHALATION OF OTHER DUST
505PNEUMOCONIOSIS UNSPECIFIED
506.0BRONCHITIS AND PNEUMONITIS DUE TO FUMES AND VAPORS
506.1ACUTE PULMONARY EDEMA DUE TO FUMES AND VAPORS
506.2UPPER RESPIRATORY INFLAMMATION DUE TO FUMES AND VAPORS
506.3OTHER ACUTE AND SUBACUTE RESPIRATORY CONDITIONS DUE TO FUMES AND VAPORS
506.4CHRONIC RESPIRATORY CONDITIONS DUE TO FUMES AND VAPORS
506.9UNSPECIFIED RESPIRATORY CONDITIONS DUE TO FUMES AND VAPORS
507.0PNEUMONITIS DUE TO INHALATION OF FOOD OR VOMITUS
507.1PNEUMONITIS DUE TO INHALATION OF OILS AND ESSENCES
507.8PNEUMONITIS DUE TO OTHER SOLIDS AND LIQUIDS
508.0ACUTE PULMONARY MANIFESTATIONS DUE TO RADIATION
508.1CHRONIC AND OTHER PULMONARY MANIFESTATIONS DUE TO RADIATION
508.2RESPIRATORY CONDITIONS DUE TO SMOKE INHALATION
508.8RESPIRATORY CONDITIONS DUE TO OTHER SPECIFIED EXTERNAL AGENTS
508.9RESPIRATORY CONDITIONS DUE TO UNSPECIFIED EXTERNAL AGENT
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