Test Overview
Test Methodology

LC-MS/MS
Electrochemiluminescent Bridging Immunoassay

Test Usage

Assessing the unexpected loss of response to therapy with vedolizumab over time.
An aid to achieving desired serum levels of vedolizumab.

Reference Range *

Vedolizumab lower limit of quantitation=2.0 mcg/mL
Antibodies-To-Vedolizumab: <9.8 ng/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Friday
Analytic Time

9 - 16 days

Soft Order Code
VEDOZ
Synonyms
  • Entyvio
Laboratory
Sendout
Reference Laboratory
Mayo VEDOZ
Section
Special Testing
Specimen Requirements
Collection

Collect specimen in a Red top or SST tube. Centrifuge and send serum aliquotted into a screw capped tube, refrigerated. Include dose and interval.

Yellow Top Tube
Normal Volume
1.5 mL serum
Minimum Volume
0.75 mL serum
Additional Information

Test sent to Mayo Medical Laboratories.

Billing
CPT Code
80280, 82397
Fee Code
AA695, AA425
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