Excludes
- Chronic asthmatic bronchitis (J44.-)
- Chronic bronchitis with airways obstruction (J44.-)
- Chronic emphysematous bronchitis (J44.-)
- Chronic obstructive pulmonary disease NOS (J44.9)
- Simple and mucopurulent chronic bronchitis (J41.-)
- J42
| Unspecified chronic bronchitis |