Vitamin B6 (Reported as Pyridoxal 5-Phosphate)

Tube Type

Test ID   LAB120
EPIC Order
   VITAMIN B6
CPT Code(s)   84207
Group/Individual Test   Individual
Laboratory   Core Referral Testing
Tube Station   30
Specimen Routine: 3 mL blood/Green Na Heparin tube/ Protect from light; See Comments 
  Micro: 1.5mL blood protected from light
Availability Routine: Reference Laboratory - Mayo Clinic Laboratories
Turnaround Time   3-5 days
Reference Range Normal: See separate report
     

Comments
  • Patient must not ingest vitamin supplements 24 hours before collection.
  • Fasting (12-14 hours), infants-prior to next feeding recommended sample.
  • Protect from light; must be processed within 2 hrs of collection.
  • Must be spun in a refrigerated centrifuge. 

Reviewed by J. Carr on November 11, 2025

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