Home
HelpTest Code LAB12610 Vitamin B6 (Pyridoxine)
Department
SEND OUTS
Reference Lab Test Number
VITB6
Collection Requirements
Patient must fast overnight and be restricted from alcohol and vitamins for at least 24 hours before sample collection. Collect infant samples before next feeding.
Refer To
Primary Collection Container
Lavender 4 mL (K3EDTA)
Alternate Collection Container
Lavender 6 mL (K3EDTA)
Transport
Plasma frozen
Preferred Transport Temperature
Frozen
Processing
CRITICAL FROZEN. PROTECT FROM LIGHT.
Centrifuge, separate and send 1.0 mL plasma in an amber screw-capped plastic vial. Freeze within 6 hours.
If amber tubes are unavailable, cover standard transport tube completely, top and bottom, with aluminum foil and place extra label on outside.
Transport specimen in amber bag.
Specimen will be rejected if it is not wrapped in foil and exposed to light.
Stability
Ambient: Unacceptable
Refrigerated: Unacceptable
Frozen: 14 days
Minimum Testing Volume
0.5 mL
Reference Range
5-50 µg/L
Methodology
High Performance Liquid Chromatography
Performed
Monday, Wednesday, and Friday
Reported
4-6 days
CPT Codes
84207
Unacceptable Conditions
Serum, and samples not protected from light.