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Test Code VITAMINK Vitamin K Quest Test Code:  36585

Important Note

*PLASMA IS REQUIRED FOR THIS TEST*

Specimen Requirements

Patient Preparation:

Fasting for a minimum of 8 hours.
Patient should refrain from eating liver and taking multivitamins or vitamin K at least 24 hours before sample collection.

 

Preferred Specimen(s):

3 mL frozen plasma collected in an EDTA (lavender-top) tube - protect from light

 

Alternative Specimen(s):

Plasma collected in: Sodium heparin (green-top) tube protected from light or lithium heparin (green-top) tube protected from light • Foil wrapped transport tube protected from light.

Minimum Volume:  1.5 mL

SPECIMEN PROCESSING and HANDLING

Collection Instructions:

Centrifuge within 1 hour of collection. Immediately separate plasma from the cells into a clean, plastic transport tube. Freeze. Protect from light.
If unable to centrifuge immediately, sample should be covered with aluminum foil immediately and placed on ice until plasma can be separated from cells. Transport to the laboratory frozen.

 

Transport Container:

Amber transport tube

 

Reject Criteria:

Gross hemolysis • Grossly lipemic • Received room temperature • Received refrigerated • Serum

TRANSPORT TEMPERATURE

Transport Temperature:
Frozen


Specimen Stability:
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 90 days

PERFORMING LAB

Quest Diagnostics Nichols Institute
27027 Tourney Road
Valencia, CA 91355-5386