W50.3XXS — Accidental bite by another person, sequela
Is W50.3XXS billable?
Yes — W50.3XXS is billable for FY2027. W50.3XXS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. W50.3XXS may be submitted for encounters from October 1, 2026 through September 30, 2027.
W50.3XXS at a glance
| Code | W50.3XXS |
|---|---|
| Description | Accidental bite by another person, 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 W50.3XXS?
In W50.3XXS, the 7th character S means sequela. The 7th character is required for W50.3XXS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
How is W50.3XXS listed in the External Cause Index?
The External Cause of Injuries Index lists these routes under W50.3, the nearest indexed parent of W50.3XXS. This is a separate index from the Alphabetic Index and is where external cause codes are looked up.
- Bite, bitten by › human being
- Bite, bitten by › person
Inclusion terms
Alternative wording in documentation that is classified to W50.3XXS.
- Human bite
- Bite by another person NOS
Excludes1 — never code together — inherited from W50-W64
The conditions below can never be reported together with W50.3XXS 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 W50
The conditions below can never be reported together with W50.3XXS on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
How long has W50.3XXS existed?
W50.3XXS 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.