ICD-10-CM › Chapter 10 Diseases of the respiratory system › J40-J4B
J40-J4B - Chronic lower respiratory diseases
54 ICD-10-CM codes sit in this section, of which 40 are billable in FY2027. Every one has a page giving the years it was valid and what to use instead when it is not.
- 54 codes
- 40 billable FY2027
- 14 not billable, retired or subdivided
- 9 categories
Categories
Each of these is a three-character category. Most are not billable on their own - the billable code is one of the children listed on its page.
| Code | Description | Status |
|---|---|---|
| J40 | Bronchitis, not specified as acute or chronic | Valid |
| J41 | Simple and mucopurulent chronic bronchitis | Not billable |
| J42 | Unspecified chronic bronchitis | Valid |
| J43 | Emphysema | Not billable |
| J44 | Other chronic obstructive pulmonary disease | Not billable |
| J45 | Asthma | Not billable |
| J47 | Bronchiectasis | Not billable |
| J4A | Chronic lung allograft dysfunction | Not billable |
| J4B | Pulmonary mycetoma | Valid |
Or browse all ICD-10-CM codes by first character, check a list of codes with the batch validity checker, or see what changed in each release.