Y28.9XXS — Contact with unspecified sharp object, undetermined intent, sequela
Is Y28.9XXS billable?
Yes, but Y28.9XXS is an unspecified code. Y28.9XXS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Y28.9XXS 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 Y28.9XXS — the more specific alternatives are listed below.
Y28.9XXS at a glance
| Code | Y28.9XXS |
|---|---|
| Description | Contact with unspecified sharp object, undetermined intent, 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 Y28.9XXS?
In Y28.9XXS, the 7th character S means sequela. The 7th character is required for Y28.9XXS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is Y28.9XXS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under Y28.9, the nearest indexed parent of Y28.9XXS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Undetermined intent › sharp object (contact) (exposure)
How long has Y28.9XXS existed?
Y28.9XXS 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.