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Laboratory Test Directory

Vitamin B6 (Pyridoxal 5 Phosphate)

Components

Name Method Department Units
Vitamin B6, Plasma Quantitative High Performance Liquid Chromatography
Send Out nmol/L

Specimen Requirements

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Green tube (Sodium heparin), No Gel

3 mL 1 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), with Gel

3 mL 1 mL
Stability

Frozen - 2 month(s)
Refrigerated - 3 day(s)

Specimen Preparation

  • Protect specimen from light. Cover with foil
  • Centrifuge within 1 hour, separate supernatant and freeze

Reasons for Rejection

  • Wrong collection tube
  • Not protected from light
  • Hemolyzed specimen
  • Specimen collected in EDTA

Comments

Patient Prep: Collect the specimen after an overnight fast. Protect from light during collection, storage, and shipment.

CPT Code

  • 84207