ICD-10-CM › Chapter 20 External causes of morbidity › Y35-Y38
Y35-Y38 - Legal intervention, operations of war, military operations, and terrorism
1,421 ICD-10-CM codes sit in this section, of which 942 are billable in FY2027. Every one has a page giving the years it was valid and what to use instead when it is not.
- 1,421 codes
- 942 billable FY2027
- 479 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 |
|---|---|---|
| Y35 | Legal intervention | Not billable |
| Y36 | Operations of war | Not billable |
| Y37 | Military operations | Not billable |
| Y38 | Terrorism | 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.