Test Details
Mnemonic
VK
Ordering Code
3420980
CPT-4 Code(s)
84597
Specimen Information
Patient Preparation
Patient should fast overnight for 12 hours and should not consume alcohol for 24 hours prior to blood draw.
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, remove serum from cells within 1 hour of collection and send 1.0 mL serum in an amber screw capped vial. PROTECT FROM LIGHT.
Alternate Specimen
Plasma: Plasma EDTA
Serum: Red top
Serum: Red top
Minimum Volume
0.6 mL
Transport Temperature
Frozen
Rejection Criteria
Hemolysis
Stability
Room temperature: Unacceptable
Refrigerated: 30 days
Frozen: 6 months
Refrigerated: 30 days
Frozen: 6 months
Methodology
Chromatography
Reference Range
0.22 - 4.88 nmol/L
Vitamin K is reported as nanomoles/liter (nmol/L).
To convert concentration to nanograms per milliliter
(ng/mL) multiply the result by 0.45.
Vitamin K is reported as nanomoles/liter (nmol/L).
To convert concentration to nanograms per milliliter
(ng/mL) multiply the result by 0.45.
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes