W51 — Accidental striking against or bumped into by another person
Is W51 billable?
No — W51 is a non-billable header code. W51 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 W51.
W51 at a glance
| Code | W51 |
|---|---|
| Description | Accidental striking against or bumped into by another person |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is W51 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to W51 — how the injury happened, rather than what the injury was.
- Bumping against, into › person (accidentally)
- CollisionNEC › pedestrian (accidental)
- Knocked downNOS › person (accidentally) (by)
- Pushed, pushing › by other person (accidental) (injury in)
- Stepping on › person
- Striking against › person
- Stumbling › over › person
- Tripping › over › person
- Accident › pedestrian › with › another pedestrian (to)
Excludes1 — never code together
The conditions below can never be reported together with W51 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from W50-W64
The conditions below can never be reported together with W51 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- Toxic effect of contact with venomous animals and plants (T63.-)
What codes fall under W51? (3)
How long has W51 existed?
W51 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.