Y23.9 — Unspecified larger firearm discharge, undetermined intent
Is Y23.9 billable?
No — Y23.9 is a non-billable header code. Y23.9 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath Y23.9.
Y23.9 at a glance
| Code | Y23.9 |
|---|---|
| Description | Unspecified larger firearm discharge, undetermined intent |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is Y23.9 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to Y23.9 — how the injury happened, rather than what the injury was.
- Discharge › firearm › larger (accidental)
- Undetermined intent › firearm discharge › larger (contact) (exposure)
- Discharge › firearm › larger › stated as undetermined whether accidental or intentional (accidental)
Excludes2 — not included here — inherited from Y23
The conditions below are not part of Y23.9, but a patient may have both at the same time. When documentation supports it, Y23.9 and the excluded code may both be reported.
- airgun (Y24.0)
What codes fall under Y23.9? (3)
How long has Y23.9 existed?
Y23.9 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.
What other codes are in the Y23 family? (5)
- Y23.0Shotgun discharge, undetermined intentnot billable
- Y23.1Hunting rifle discharge, undetermined intentnot billable
- Y23.2Military firearm discharge, undetermined intentnot billable
- Y23.3Machine gun discharge, undetermined intentnot billable
- Y23.8Other larger firearm discharge, undetermined intentnot billable