Specimen Requirements

Title

WARFARIN, SERUM/PLASMA

Specimen Requirement

DRAW BLOOD IN A PLAIN RED-TOP TUBE. CENTRIFUGE, SEPARATE SERUM FROM CELLS AND SEND 2.0 mL SERUM IN A SCREW-CAPPED PLASTIC VIAL. PLEASE INDICATE ON TRANSPORT TUBE “SERUM/RED TOP”

ALTERNATE SPECIMEN: PLASMA/LAV TOP

Methodology

Stability

ROOM TEMP OR REFRIGERATED 14 DAYS

Reference Range

BY REPORT*

Turnaround

3-8 DAYS

Clinical Use

Test Code

WARW