Specimen Collection Requirements
Blood should be drawn following an overnight (12-14 hour) fast. INFANTS, draw before the next feeding. Water can be taken as needed.
Plasma, one green (sodium heparin) top tube
Immediately place specimen on wet ice. Maintain specimen on wet ice and process within 4 hours of draw. Centrifuge at 4°C and freeze. PROTECT FROM LIGHT.
Frozen, protected from light
Plasma separator tubes (PST) or specimens not protected from light
AFTER SEPARATION FROM CELLS: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 14 days
Testing Information
High-Performance Liquid Chromatography (HPLC)
Mayo Medical Laboratory (VITC)
Reference Values
Last Updated:
Thursday, October 22, 2020 10:27:02 PM
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