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Vitamin B6
Test CodeLAB120
CPT Codes
84207
Preferred Specimen
Lavender EDTA protected from light
Minimum Volume
0.5 mL
Instructions
Separate cells within 6 hours by centrifugation at 2-8° C (2200-2500 rpm, 800-1000g) for 5-10 minutes. Transfer plasma to an amber polypropylene or polyethylene transport tube to protect from light. Alternately, neutral color polypropylene or polyethylene tubes can be used if wrapped in aluminum foil. Freeze the tubes at -10 to -30° C. Ship frozen.
Transport Temperature
Frozen
Specimen Stability
Room temperature: 6 hours
Refrigerated: 12 hours
Frozen -20°C: 6 days
Frozen -70°C: 42 days
Refrigerated: 12 hours
Frozen -20°C: 6 days
Frozen -70°C: 42 days
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
