Y35.99XS — Legal intervention, means unspecified, unspecified person injured, sequela
Is Y35.99XS billable?
Yes, but Y35.99XS is an unspecified code. Y35.99XS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y35.99XS is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting Y35.99XS — the more specific alternatives are listed below.
More specific alternatives
- Y35.001SLegal intervention involving unspecified firearm discharge, law enforcement official injured, sequela
- Y35.101SLegal intervention involving unspecified explosives, law enforcement official injured, sequela
- Y35.201SLegal intervention involving unspecified gas, law enforcement official injured, sequela
- Y35.301SLegal intervention involving unspecified blunt objects, law enforcement official injured, sequela
- Y35.401SLegal intervention involving unspecified sharp objects, law enforcement official injured, sequela
Y35.99XS at a glance
| Code | Y35.99XS |
|---|---|
| Description | Legal intervention, means unspecified, unspecified person injured, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in Y35.99XS?
In Y35.99XS, the 7th character S means sequela. The 7th character is required for Y35.99XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y35.99XS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y35.99, the nearest indexed parent of Y35.99XS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Legal › intervention › injuring › unspecified person
How long has Y35.99XS existed?
Y35.99XS first appears in FY2021 (FY2020 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.