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Factor V

Test Name:Factor V Assay
Epic Order Code:LAB304
CPT Code:85220  
Specimen(s) Type:EDTA Plasma; Full tube required
Acceptable Container(s):   Tube top is blue.
Testing Schedule:Monday-Friday, 8 a.m.-3 p.m.
Turn Around Time:STAT: Notify lab at (601) 984-2367
 Routine: 3-5 days
Collection Information:No special patient preparation is required. Obtain specimen by standard collection procedures. If only Factor V is being collected, draw 5 mL into a red top tube, discard and then collect Factor V tube. A full tube is required.
Transport Information:Deliver to lab immediately. All specimens must be signed into the laboratory.
Reference Clients:If unable to deliver to the lab within 1 hour, centrifuge the specimen for 10 minutes at 3500 RPM to ensure platelet poor plasma. Remove plasma from cells, taking care to avoid the WBC/platelet buffy layer and place into a transport tube. Store and transport at room temperature for up to 4 hours. If testing is delayed beyond this, the sample must be stored and transported frozen at -20° C and delivered to lab within 2 weeks.
Causes for Rejection:Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, grossly hemolyzed, clotted, under or over-filled tube.
Reference Range:50 - 150%
Additional Information:If more than 2 Factor Assays are ordered, collect 2 light blue top tubes.