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Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

Factor V Leiden
minimum sample volume required ~ 2.7ml

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Tube type: 9NC

Special instructions
2 x Tri-sodium citrate samples required.

Stable for one day at 15 to 25oC without any loss in DNA yield, or up to 1 week with only moderate loss in yield.

Storage at 2 to 8 degrees Celsius for up to 7 days is recommended to reduce loss in yield.

Please include request for activated protein C resistance test (Factor V Leiden screening test).

Contact Haem consultant before requesting. Time limit for add on = fresh sample. Interfering substances= none known

Please note that this test is not accredited to ISO:15189 due to recent changes in equipment. This test has been verified internally and accreditation has been applied for.

Contact Laboratory before requesting

Reference range


Linked to
APCR, Thrombophilia Screen

Turnaround Time
42 days

Department: Haematology

Clinical Application
Test forms part of the thrombophilia screen.

Full thrombophilia screen includes: Activated protein C resistance test (and/or Factor V Leiden), factor II (prothrombin) G20210A gene mutation, lupus anticoagulant screen, anticardiolipin quantitation, antithrombin activity, protein C activity, free protein S antigen, clotting screen and FBC.

Thrombophilia screen requires 4-5 citrate samples, 1 x EDTA, 1 x clotted sample(SST)


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