J40Billable
Bronchitis, not specified as acute or chronic
- Chapter
- 10. Diseases of the respiratory system
- Category
- J40
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code J40?
J40 is an ICD-10-CM diagnosis code for Bronchitis, not specified as acute or chronic.
Is J40 a billable code?
Yes. J40 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is J40 in?
J40 falls under Chapter 10: Diseases of the respiratory system.
When did J40 become effective?
J40 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.