ICD-10-CM category
J40: Bronchitis, not specified as acute or chronic
J40 is “Bronchitis, not specified as acute or chronic”. It has no subcodes in this category.
Frequently asked questions
What is ICD-10-CM code J40?
J40 is the ICD-10-CM code for Bronchitis, not specified as acute or chronic.
Is J40 billable?
Yes — J40 is a valid, billable ICD-10-CM code (it has no further subdivisions).
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free