W55.01 — Bitten by cat
Is W55.01 billable?
No — W55.01 is a non-billable header code. W55.01 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 W55.01.
Billable codes under this header
W55.01 at a glance
| Code | W55.01 |
|---|---|
| Description | Bitten by cat |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is W55.01 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to W55.01 — how the injury happened, rather than what the injury was.
- Bite, bitten by › cat
- Cat › bite
- Contact › with › cat › bite (accidental)
Excludes1 — never code together — inherited from W50-W64
The conditions below can never be reported together with W55.01 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.-)
Excludes1 — never code together — inherited from W55
The conditions below can never be reported together with W55.01 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
What codes fall under W55.01? (3)
How long has W55.01 existed?
W55.01 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.