Vedolizumab and Anti-Vedo

Test Code

CPT Codes
80299, 82397

Preferred Specimen
3 mL serum

Minimum Volume
1 mL

Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube

Allow a minimum clotting time of 30 to 60 minutes with serum separation within 2 hours of collection. Send serum in a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.

Transport Temperature

Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 14 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Gross lipemia

Electrochemiluminescent Immunoassay

Setup Schedule

Report Available
 6-8 days

Reference Range
Vedolizumab (01)
Quantitation Limit: <1.5 ug/mL
Results of 1.5 or higher indicate detection of Vedolizumab

Anti-Vedolizumab (01)
Quantitation Limit: <25 ng/mL
Results of 25 or higher indicate detection of antivedolizumab antibodies

Clinical Significance
Provides serum concentrations of vedolizumab and anti-vedolizumab antibodies in order to optimize treatment and facilitate clinical decision making.

Performing Laboratory
Esoterix Endocrinology
4301 Lost Hills Road
Calabasas Hills, CA 91301

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.