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Factor V Leiden
Tube type: Blank
Special instructions
Sample Type: 3ml Sodium citrate or EDTA whole blood.
Do not centrifuge or concentrate the blood sample by plasma removal.
Store at 22-28C (room temperature) for 24 hours. The sample should be stored at 2-8C (in fridge) if stored longer than 24 hours. The blood sample is stable for up to 15 days when stored at 2-8C.
For URGENT requests please contact haematology laboratory.
Contact Haem consultant before requesting. Time limit for add on = fresh sample. Interfering substances= none known
Contact Laboratory before requesting
Reference range
NEG
Units
normal
Linked to
Thrombophilia Screen
Turnaround Time
14
days
Department: Haematology
Clinical Application
Test forms part of the thrombophilia screen.
Full thrombophilia screen includes: Factor V Leiden, factor II (prothrombin) G20210A gene mutation, lupus anticoagulant screen, anticardiolipin quantitation, antithrombin activity, protein C activity, free protein S antigen, anti-beta2 glycoprotein-1, clotting screen and FBC.
Thrombophilia screen requires 4-5 citrate samples, 1 x EDTA, 1 x clotted sample(SST)
