CHRONIC OBSTRUCTIVE PULMONARY DISEASE AND ALLIED CONDITIONS (490-496)
491 Chronic bronchitis
Excludes:
chronic obstructive asthma (493.2)
491.0: Simple chronic bronchitis
Catarrhal bronchitis, chronic
Smokers' cough
491.1: Mucopurulent chronic bronchitis
Bronchitis (chronic) (recurrent):
fetid
mucopurulent
purulent
491.2: Obstructive chronic bronchitis
Bronchitis:
emphysematous
obstructive (chronic) (diffuse)
Bronchitis with:
chronic airway obstruction
emphysema
Excludes:
asthmatic bronchitis (acute) (NOS) 493.9
chronic obstructive asthma 493.2
491.8: Other chronic bronchitis
Chronic:
tracheitis
tracheobronchitis
491.9: Unspecified chronic bronchitis
Home