Methodology
LC-MS/MS, Electrochemiluminescent Bridging Immunoassay
Synonyms
Entyvio
Specimen Type
Serum
Performing Lab
Mayo Medical Lab
Epic ID
LAB07970
Lab Test Days
Monday, Thursday
Standard TAT
5-7 Days
Collection Information
Specimen Required
1.5-3 mL of Blood
Container Type
Red Top (No Additive)
Collection Instructions
For 12 hours before specimen collection do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins. Nivolumab (Opdivo) must be discontinued at least 4 weeks prior to testing for vedolizumab quantitation in serum. Draw blood immediately before next scheduled dose (through specimens).
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp=Unacceptable; Refrigerated (Preferred)=28 Days; Frozen=28 Days
Test Volume Required
1.5 mL Serum
Minimum Test Volume
0.75 mL Serum
Processing Instructions
Order in Mayolink and send with Mayo courier Monday-Friday.
Included Tests
Centrifuge within 2 hours of collection. Order in Mayolink and send with Mayo courier Monday-Friday.
CPT Codes
80280; 82397
Revised
8/11/23
Initials
SA