Important Parking Information During Rady Children's Hospital's Campus Development — Read More
Search All

Lab Test Dictionary

Vedolizumab Quantitation with Reflex to Antibodies, Serum (VEDOL)


LC-MS/MS, Electrochemiluminescent Bridging Immunoassay



Specimen Type


Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

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


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