Vitamin B3, Niacin

Tube Type

Test ID LAB1109
EPIC Order
CPT Code(s) 84591
Group/Individual Test Individual
Laboratory Core Referral Testing
Tube Station 30
Specimen Routine: 3 mL blood/purple top tube; see important Comments
Micro: 2.5 mL blood
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time 3-10 days
Reference Range Normal: See separate report
Draw a separate tube when collecting other vitamins.
Sample must be processed within 2 hours of collection.

disclaimer text

Reviewed by jcayless on April 21, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514