Bronchitis, not specified as acute or chronic

Coding guidance (WHO 2019)

Note: Bronchitis not specified as acute or chronic in those under 15 years of age can be assumed to be of acute nature and should be classified to J20.++ Incl.: Bronchitis: NOS catarrhal with tracheitis NOS Tracheobronchitis NOS Excl.: bronchitis: allergic NOS (J45.0) asthmatic NOS (J45.9) chemical (acute) (J68.0)