Billing J3380 for Entyvio (vedolizumab) requires accurate IV infusion coding and precise 1mg unit conversions to avoid Medicare denials.
Billing Units for Entyvio (J3380)
The HCPCS definition for J3380 is "Injection, vedolizumab, 1 mg".
A standard IV dose is 300 mg. Because the code represents 1 mg increments, you must bill exactly 300 units.
| Drug | Code | Administered Dosage | Billing Units |
|---|---|---|---|
| Entyvio | J3380 | 300 mg | 300 |
Medical Necessity & ICD-10 Codes
Entyvio is primarily approved for inflammatory bowel diseases. Ensure your claim includes:
- K50.90 - Crohn's disease, unspecified, without complications
- K51.90 - Ulcerative colitis, unspecified, without complications
Administration Coding
Entyvio is an intravenous infusion typically lasting 30 minutes. Bill CPT code 96365 (Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour).