Test ID: FWARP    
Warfarin, Plasma

Specimen Type Describes the specimen type validated for testing

Plasma EDTA

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Container/Tube: EDTA (lavender top) or Pink top

Specimen Volume: 3 mL

Draw blood in EDTA (lavender top) or Pink top tube(s) (Plasma gel tube is not acceptable.) Spin down and send 1 mL of plasma refrigerate in preservative-free plastic vial.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis NA
Lipemia NA
Icterus NA
Other Polymer gel separation tube (SST or PST)

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
Plasma EDTARefrigerated (preferred)30 days
 Ambient 30 days