J42
BillableUnspecified chronic bronchitis
J42 is the ICD-10-CM code for Unspecified chronic bronchitis. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- J00-J99
- Edition
- FY2026
J00-J99 Diseases of the respiratory system
Includes
- •Chronic bronchitis NOS
- •Chronic tracheitis
- •Chronic tracheobronchitis
Excludes1 — not coded here
- •bronchiolitis obliterans and bronchiolitis obliterans syndrome (J44.81)
- •chronic asthmatic bronchitis (J44.-)
- •chronic bronchitis with airways obstruction (J44.-)
- •chronic emphysematous bronchitis (J44.-)
- •chronic obstructive pulmonary disease NOS (J44.9)
- •simple and mucopurulent chronic bronchitis (J41.-)
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Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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