Unspecified chronic bronchitis

Coding guidance (WHO 2019)

Incl.: Chronic: bronchitis NOS tracheitis tracheobronchitis Excl.: chronic: asthmatic bronchitis (J44.-) bronchitis: simple and mucopurulent (J41.-) with airways obstruction (J44.-) emphysematous bronchitis (J44.-) obstructive pulmonary disease NOS (J44.9)