J40 — Bronchitis, not specified as acute or chronic
Part of Chapter 10: Diseases of the respiratory system , block Chronic lower respiratory diseases (J40-J4B) .
Official Notes
Inclusion Terms
Bronchitis NOS
Inclusion Terms
Bronchitis with tracheitis NOS
Inclusion Terms
Catarrhal bronchitis
Inclusion Terms
Tracheobronchitis NOS
Use Additional Code
code to identify:
Use Additional Code
exposure to environmental tobacco smoke ( Z77.22 )
Use Additional Code
exposure to tobacco smoke in the perinatal period ( P96.81 )
Use Additional Code
history of tobacco dependence ( Z87.891 )
Use Additional Code
occupational exposure to environmental tobacco smoke ( Z57.31 )
Use Additional Code
tobacco dependence ( F17 .-)
Use Additional Code
tobacco use ( Z72.0 )
Excludes1
acute bronchitis ( J20 .-)
Excludes1
allergic bronchitis NOS ( J45.909 )
Excludes1
asthmatic bronchitis NOS ( J45.9- )
Excludes1
bronchitis due to chemicals, gases, fumes and vapors ( J68.0 )
Child Codes
J40 has no child codes in the FY 2027 release -- it is used on its own.
Referenced By
Official notes on these codes cite J40.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS