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Vitamin K details

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Vitamin K

Labcorp

Broadest draw-site network nationwide.

This test is coming soon at Labcorp.

Vitamin K

Quest Diagnostics

Same-day appointments in most metros.

Sample type
Plasma
Avg. sample processing time
5 Business days
Require fasting
Yes

BiomarkersQuest Diagnostics biomarkers

$22.99

Description

Vitamin K is a required co-factor for the synthesis of factors 2, 7, 9, and 10 and proteins C and S. Deficiencies of vitamin K lead to bleeding. Coumadin (warfarin) acts as an anticoagulant because it is a vitamin K antagonist.

Included biomarkers

Biomarkers

Preparation

Labcorp

This test is coming soon at Labcorp.

Quest Diagnostics
  • Avoid eating liver and taking multivitamins or vitamin K at least 24 hours before sample collection.
  • Fasting for 8 hours before your blood draw is required.
  • Fasting before a blood draw means you don't eat or drink anything except water.
  • Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.
  1. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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