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Taxonomy Codes
Diseases of the respiratory system
Chronic obstructive pulmonary disease and allied conditions (490-496)
490 Bronchitis, not specified as acute or chronic
490
- Bronchitis NOS
491 Chronic bronchitis
491.0
- Simple chr bronchitis
491.1
- Mucopurul chr bronchitis
491.20
- Obst chr bronc w/o exac
491.21
- Obs chr bronc w(ac) exac
491.22
- Obs chr bronc w ac bronc
491.8
- Chronic bronchitis NEC
491.9
- Chronic bronchitis NOS
492 Emphysema
492.0
- Emphysematous bleb
492.8
- Emphysema NEC
493 Asthma
493.00
- Extrinsic asthma NOS
493.01
- Ext asthma w status asth
493.02
- Ext asthma w(acute) exac
493.10
- Intrinsic asthma NOS
493.11
- Int asthma w status asth
493.12
- Int asthma w (ac) exac
493.20
- Chronic obst asthma NOS
493.21
- Ch ob asthma w stat asth
493.22
- Ch obst asth w (ac) exac
493.81
- Exercse ind bronchospasm
493.82
- Cough variant asthma
493.90
- Asthma NOS
493.91
- Asthma w status asthmat
493.92
- Asthma NOS w (ac) exac
494 Bronchiectasis
494.0
- Bronchiectas w/o ac exac
494.1
- Bronchiectasis w ac exac
495 Extrinsic allergic alveolitis
495.0
- Farmers' lung
495.1
- Bagassosis
495.2
- Bird-fanciers' lung
495.3
- Suberosis
495.4
- Malt workers' lung
495.5
- Mushroom workers' lung
495.6
- Mapl bark-stripprs' lung
495.7
- "ventilation" pneumonit
495.8
- Allerg alveol/pneum NEC
495.9
- Allerg alveol/pneum NOS
496 Chronic airways obstruction, not elsewhere classified
496
- Chr airway obstruct NEC