Posted Date
Effective Date
Test Name
Vitamin B3 and Metabolites(Niacin)
Update Type
New Tests
CPT Code
84591
Order Code
VITB3
Referral Laboratory
Mayo Medical Laboratories
NEW TEST
Vitamin B3 Niacin
Order Code: B3
New Order Code: VITB3
Fee Code: 20160
Reference Lab: Mayo VITB3
Mayo Clinic Laboratories will begin offering Vitamin B and Metabolites, Plasma, effective April 25, 2022. This test is used for assisting in the diagnosis of suspected vitamin B3 deficiency or toxicity, or in determining response to therapy. This test will replace Mayo FNIAC (91379) referred to Cambridge Biomedical.