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Current

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 )

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exposure to tobacco smoke in the perinatal period ( P96.81 )

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history of tobacco dependence ( Z87.891 )

Use Additional Code

occupational exposure to environmental tobacco smoke ( Z57.31 )

Use Additional Code

tobacco dependence ( F17 .-)

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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