Y35.409A — Legal intervention involving unspecified sharp objects, unspecified person injured, initial encounter
Is Y35.409A billable?
Yes, but Y35.409A is an unspecified code. Y35.409A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y35.409A 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 Y35.409A — the more specific alternatives are listed below.
Y35.409A at a glance
| Code | Y35.409A |
|---|---|
| Description | Legal intervention involving unspecified sharp objects, unspecified person injured, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in Y35.409A?
In Y35.409A, the 7th character A means initial encounter. The 7th character is required for Y35.409A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y35.409A listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y35.409, the nearest indexed parent of Y35.409A. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Legal › intervention › sharp objects › injuring › unspecified person
How long has Y35.409A existed?
Y35.409A 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.