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Laboratory Medicine

Test Directory / Factor V Leiden

Factor V Leiden

Citrated Plasma

TestFactor V Leiden
Common AbbreviationsFVL, F2G, FII G20201A
ProfileThrombophilia Screen Antithrombin (AT), Protein C (PC), Protein S (PS) Thrombin Time (TT), Factor V Leiden (FVL), Prothrombin Gene Mutation (F2G), Lupus Inhibitor (LIS), Anticardiolipin (ACA), Coagulation Screen (CLS)
Clinical IndicationUsed in conjuction with other tests (within the thrombophilia screen) to screen for underlying causes of venous thromboembolism (VTE).
Specimen TypeBlood
Sample TypeCitrated Plasma & Brown clotted serum, gel barrier
Minimum Volume1 x 3mL (adult) 1 x 1mL (paed) (Thrombophlia Screen requires:3 x 3mL (adult) 4 x 1mL (paed) and 1 x brown serum for ACA (citrated plasma must be filled to bottle line)
Special PrecautionsTest not suitable if on Heparin
Stability
Turnaround Time4 weeks
LaboratoryYork Hospital
Reference IntervalQualitative
LimitationsTest not suitable if on Heparin
Additional Information
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Maternity access at York Hospital - Saturday 22 February

On Saturday 22 February, 8am-6pm, there will be a temporary change of vehicle access to the maternity unit at York Hospital. Access via entrance 2 will be closed to allow essential works to be completed. 

If you are attending the maternity unit at York on this day, please drive in via the entrance for A&E (marked blue light priority).

The multi-storey car park will not be affected by this change, and any non-urgent visitors should continue to park in this area.