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Vitamin K1 Level

Mnemonic:    [Vit K1]
Name:    Vitamin K1 Level
Specimen:    2 mL serum from a Red SST or Red top tube. Patient Prep: Refrain from consuming alcohol 24 hours prior to draw. Fast for 12 hours (overnight) prior to draw.

Specimen Preparation: Protect from light within one hour of collection and during storage and shipment.

Also acceptable: plasma from Lavender (EDTA) or pink (K2 EDTA).

Unacceptable Conditions: Any specimen other than serum or EDTA plasma. Hemolyzed specimens.
Minimum Spec:    1.2 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable up to 4 weeks refrigerated.
Ref Lab/Code:    ARUP 0099225
  Method:    High Performance Liquid Chromatography (HPLC)
Processing Info:    Separate specimens must be submitted when multiple tests are ordered.