J40
✓ Billable
Bronchitis, not specified as acute or chronic
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J40
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Respiratory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code J40?
ICD-10-CM code J40 represents Bronchitis, not specified as acute or chronic. It is a billable diagnosis code in the Diseases of the Respiratory System chapter, effective October 1, 2025 – September 30, 2026.
Is J40 billable?
Yes. J40 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is J40 in?
J40 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →