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ICD-10-CM Current in FY 2027

J42

Unspecified chronic bronchitis

Release
FY 2027
Effective

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files.

Inclusion Terms

Chronic bronchitis NOS

Inclusion Terms

Chronic tracheitis

Inclusion Terms

Chronic tracheobronchitis

Excludes1

bronchiolitis obliterans and bronchiolitis obliterans syndrome ( J44.81 )

Excludes1

chronic asthmatic bronchitis ( J44 .-)

Excludes1

chronic bronchitis with airways obstruction ( J44 .-)

Excludes1

chronic emphysematous bronchitis ( J44 .-)

Excludes1

chronic obstructive pulmonary disease NOS ( J44.9 )

Excludes1

simple and mucopurulent chronic bronchitis ( J41 .-)

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 )

Code Also

, if applicable, chronic respiratory conditions due to chemicals, gases, fumes and vapors ( J68.4 )

Version History

How J42 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Unspecified chronic bronchitis

  2. FY 2026 Effective

    Unchanged

    Unspecified chronic bronchitis

Codes whose official notes reference J42

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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