Vitamin K1

Sunquest Code:VITK  
Epic Code:LAB1110Epic Name:Vitamin K
Methodology:High performance liquid chromatography
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 2-5 days.

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Purple (EDTA) protect from light (Red (no gel) protect from light, Red or gold (gel))
Collection Instructions:Protect from light during collection.
Patient Preparation:12 hour fasting specimen preferred; patient should not consume alcohol for 1 day prior to collection.
Causes for Rejection:Hemolysis, specimen other than serum or EDTA plasma, specimen not protected from light.

Processing and Shipping

Specimen Processing:Centrifuge ASAP and aliquot 1 mL, 0.6 mL minimum. Each vitamin level requested requires a separate aliquot tube. Protect from light. Store in freezer.
Shipping Instructions:Ship on dry ice. Protect from light.
Stability:Stability: 1 month refrigerated; 6 months frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:99225


Reference Range:0.22 - 4.88 nmol/L

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