Posted Date
Effective Date
Test Name
Fentanyl, Serum
Update Type
Test Down or Delayed
Order Code
FENTS
Referral Laboratory
Mayo Medical Laboratories
TEST DOWN
Fentanyl and Metabolites, Serum
Order Code: FENTS
Fee Code: 21581
Reference Laboratory: Mayo FENTS
Mayo Clinic Laboratories Fentanyl and Metabolites, Serum, assay is down effective December 14, 2022, due to assay performance issues. Requests for this test will be forwarded to NMS Labs test ID 2079SP until further notice.