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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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COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

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COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More