J44
Includes: asthma with chronic obstructive pulmonary disease
chronic asthmatic (obstructive) bronchitis
chronic bronchitis with airway obstruction
chronic bronchitis with emphysema
chronic emphysematous bronchitis
chronic obstructive asthma
chronic obstructive bronchitis
chronic obstructive tracheobronchitis
Excludes1: chronic bronchitis NOS (J42)
chronic simple and mucopurulent bronchitis (J41.-)
chronic tracheitis (J42)
chronic tracheobronchitis (J42)
Excludes2: bronchiectasis (J47.-)
emphysema without chronic bronchitis (J43.-)
Code also: type of asthma, if applicable (J45.-)