J40-J4A Chronic lower respiratory diseases

Type 1 Excludes

bronchitis due to chemicals, gases, fumes and vapors (J68.0)

Type 2 Excludes

cystic fibrosis (E84.-)

Codes

J40Bronchitis, not specified as acute or chronic
J41Simple and mucopurulent chronic bronchitis
J42Unspecified chronic bronchitis
J43Emphysema
J44Other chronic obstructive pulmonary disease
J4AChronic lung allograft dysfunction
J45Asthma
J47Bronchiectasis