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VITAMIN K1
Number 886
CPT Code 84597
Alias PHYLLOQUINONE, PHYTONADIONE
Specimen Container Red Top
Specimen Type Serum
Turn Around Time
Days Performed
Reference Range 0.28-1.78 ng/mL
Alternate Specimen Lavender top EDTA
Volume 2 mL Serum
Stability Ambient Unstable
Stability Refrigerated Unstable
Stability Frozen 3 Months
Patient Preparation
Methodology
High-pressure liquid chromatography (HPLC)
Limitations
Rejection Criteria
Specimen not protected from light; specimen not received frozen; use of anticoagulants other than EDTA has not been studied
Additional Instructions
Protect from light and freeze.
Performing Laboratory Reference Laboratory
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