W57 — Bitten or stung by nonvenomous insect and other nonvenomous arthropods
Is W57 billable?
No — W57 is a non-billable header code. W57 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 W57.
Billable codes under this header
W57 at a glance
| Code | W57 |
|---|---|
| Description | Bitten or stung by nonvenomous insect and other nonvenomous arthropods |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is W57 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to W57 — how the injury happened, rather than what the injury was.
- Bite, bitten by › arthropodNEC
- Bite, bitten by › insect
- Bite, bitten by › millipede
- Bite, bitten by › spider
- Sting › arthropod, nonvenomous
- Sting › insect, nonvenomous
- Contact › with › arthropods (accidental)
- Contact › with › insectNEC (accidental)
- Contact › with › millipede (accidental)
Excludes1 — never code together
The conditions below can never be reported together with W57 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 W57 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 W57? (3)
How long has W57 existed?
W57 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.