Specimen Requirements

Title

VITAMIN K

Specimen Requirement

Patient should fast overnight for 12 hours.

Draw blood in a SST. Centrifuge, remove serum from cells within 1 hour of collection. Send 1.0 mL serum in an amber screw-capped vial. Indicate “serum/SST” on transport vial.

PROTECT FROM LIGHT

Methodology

Stability

Refrigerated 1 month, Frozen 6 months

Reference Range

By Report*

Turnaround

3-7 days -- Sunday-Friday

Clinical Use

Test Code

VKW