Vitamin K

Message

Patient Preparation: Fasting for a minimum of 8 hours required. Patient should refrain from eating liver and taking multivitamins or vitamin K at least 24 hours before sample collection. Place on ice, Protect from light Collect a full tube, following standard venipuncture techniques.

Test Code

LAB1110 VITK

Alias/See Also

VITK

CPT Codes
84597

Includes

Patient Preparation: Fasting for a minimum of 8 hours required. Patient should refrain from eating liver and taking multivitamins or vitamin K at least 24 hours before sample collection.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@

Instructions

Processing Instructions (Lab use only): Centrifuge within 1 hour of collection. Immediately separate plasma or serum from the cells into an amber transport tube to protect from light and freeze.Samples received frozen but not protected from light are acceptable. Minimum Testing Volume: 0.5 mL Plasma/Serum Transport Temperature: Frozen Stability: Ambient: 24 HoursRefrigerated : 24 HoursFrozen: 90 Days Causes for Rejection: Gross hemolysisGross lipemia

Report Available

6-Days

Clinical Significance

1230170978

Last Updated: May 18, 2026

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.