Posted Date
Effective Date
Test Name
Vedolizumab Quantitative with Antibodies
Update Type
Reference range changed
CPT Code
80280, 82397
Order Code
VEDOZ
TEST CHANGE
Vedolizumab Quantitation with Antibodies, Serum
Order Code: VEDOZ
Fee Code: AA695, AA425 (CPT 80280, 82397)
LOINC: 90794-9
Reference Lab: Mayo VEDOZ
Effective July 22, 2026, Mayo Clinic Laboratories will establish a new lower limit of quantitation for test, VEDOZ, from 2.0 mcg/mL to 1.0 mcg/mL.
The reference value for Vedolizumab antibodies will be updated to:
Antibodies to vedolizumab: <9.8 ng/mL.
Absence of antibodies to vedolizumab is defined as <9.8 ng/mL.
Presence of ATV is reported as positive when concentrations are > or =9.8 ng/mL.