Bronchitis, not specified as acute or chronic

**Inclusion terms:** - Bronchitis NOS - Bronchitis with tracheitis NOS - Catarrhal bronchitis - Tracheobronchitis NOS

**Excludes1:** - acute bronchitis (J20.-) - allergic bronchitis NOS (J45.909-) - asthmatic bronchitis NOS (J45.9-) - bronchitis due to chemicals, gases, fumes and vapors (J68.0)

**Use additional code:** - code to identify: - exposure to environmental tobacco smoke (Z77.22) - exposure to tobacco smoke in the perinatal period (P96.81) - history of tobacco dependence (Z87.891) - occupational exposure to environmental tobacco smoke (Z57.31) - tobacco dependence (F17.-) - tobacco use (Z72.0)