J40
Billable codeBronchitis, not specified as acute or chronic
The ICD-10 code for bronchitis, not specified as acute or chronic is J40.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Bronchitis NOS
- Bronchitis with tracheitis NOS
- Catarrhal bronchitis
- Tracheobronchitis NOS
Use additional code
This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- J41Simple and mucopurulent chronic bronchitisnon-billable header
- J42Unspecified chronic bronchitis
- J43Emphysemanon-billable header
- J44Other chronic obstructive pulmonary diseasenon-billable header
- J45Asthmanon-billable header
- J47Bronchiectasisnon-billable header
- J4AChronic lung allograft dysfunctionnon-billable header
- J40Bronchitis, not specified as acute or chronic
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 490
Associated MS-DRGs
J40 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.