ICD-10-CM › Chapter 11 Diseases of the digestive system › K35-K38
K35-K38 - Diseases of appendix
29 ICD-10-CM codes sit in this section, of which 21 are billable in FY2027. Every one has a page giving the years it was valid and what to use instead when it is not.
- 29 codes
- 21 billable FY2027
- 8 not billable, retired or subdivided
- 4 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 |
|---|---|---|
| K35 | Acute appendicitis | Not billable |
| K36 | Other appendicitis | Valid |
| K37 | Unspecified appendicitis | Valid |
| K38 | Other diseases of appendix | Not billable |
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.