Y35.121S — Legal intervention involving injury by explosive shell, law enforcement official injured, sequela
Is Y35.121S billable?
Yes — Y35.121S is billable for FY2027. Y35.121S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Y35.121S may be submitted for encounters from October 1, 2026 through September 30, 2027.
Y35.121S at a glance
| Code | Y35.121S |
|---|---|
| Description | Legal intervention involving injury by explosive shell, law enforcement official 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 Y35.121S?
In Y35.121S, the 7th character S means sequela. The 7th character is required for Y35.121S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y35.121S listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y35.121, the nearest indexed parent of Y35.121S. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Explosion › shellNEC › in › legal intervention › injuring › law enforcement personnel (accidental) (of) (with secondary fire)
- Legal › intervention › explosive › shell › injuring › law enforcement personnel
How long has Y35.121S existed?
Y35.121S has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.