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HelpTest Code LAB12692 Vitamin K
Department
SEND OUTS
Reference Lab Test Number
VK
Collection Requirements
PROTECT FROM LIGHT IMMEDIATELY AFTER COLLECTION.
Patient Preparation: Patient should fast overnight (12-14 hours).
Infants – draw prior to next feeding.
Refer To
Warde Medical LaboratoryPrimary Collection Container
Gold (SST)
Alternate Collection Container
Red (No Gel)
Transport
Serum or plasma frozen
Preferred Transport Temperature
Frozen
Processing
PROTECT FROM LIGHT.
Draw blood in a SST. Centrifuge, remove serum from cells within 1 hour of collection. Send 1.0 mL serum in an amber screw-capped vial.
If amber tubes are unavailable, cover standard transport tube completely, top and bottom.
Stability
Ambient: Unacceptable
Refrigerated: 1 month
Frozen:6 months
Minimum Testing Volume
0.6 mLReference Range
80-1160 pg/mL
Methodology
High Performance Liquid Chromatography
Performed
Sunday – Friday
Reported
4-8 days
CPT Codes
84597
Additional Information
If amber tubes are unavailable, cover standard transport tube completely, top and bottom.