Free Protein S
| About This Test |
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Department: Haematology Requirement: COAGULATION TUBES MUST BE FILLED TO LINE. For the diagnosis of thrombotic conditions where there is thrombotic history of individual or within family. Please speak to the coagulation laboratory at RSUH on 74396 before requesting these tests
Turnaround Time: Up to 4 weeks |
Free Protein S is performed as part of the thrombophilia screen.
Protein S deficiency leads to a predisposition for thrombotic disorders.
Other Comments:
Reference ranges:
Male 74-146
Female 55-124
Four citrate tubes are required for a full thrombophilia screen.
Warfarin therapy must be withdrawn eight weeks before thrombophilia screening.
Heparin and new oral anticoagulants e.g Rivaroxaban, Apixoban, must be withdrawn two weeks before thrombophilia screening.