R U H Bath, return to home page

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

  back to assay index

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
Contact Laboratory before requesting

Reference range
NEG

Units
normal

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)

 
 

back to top