J40 Bronchitis, not specified as acute or chronic

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)