|Profile or Test Panel|
|Indications||Reflexive test may be used with an abnormal Thrombin time that does not correct on 1:1 mix|
|Test Information||Reptilase (a snake venom) is used to measure the rate of conversion of fibrinogen to fibrin. The Reptilase time is prolonged by hereditary or acquired fibrinogen abnormalities, elevated levels of fibrin/fibrinogen degradation products (FDP), and exogenous fibrinolytic agents, but is normal in the presence of heparin.|
|Additional Test Information||Normal Range: 16-22 sec|
|Sample Requirements||Whole Blood: 3.2% Sodium Citrated (blue top) OR
|Requested Volume||Two 5 ml 3.2 sodium citrated (blue top) tubes as whole blood OR
Frozen plasma in 4 X 1mL aliquots in plastic tubes
|Sample Information||Whole blood is preferred for testing but if it is not possible to send whole blood tubes TO ARRIVE HERE WITHIN 3 HOURS of collection then send frozen plasma. To prepare plasma centrifuge blue top tubes at 1500g for 15 minutes and remove the plasma and centrifuge a second time at 1500g for an additional 15 minutes. Aliquot approximately 1 ml of plasma into 4 plastic tubes, and freeze.|
|Shipping Information||Whole Blood: Send at ambient temperature (18-25C) and must be received within the lab in less than or equal to 3 hours after collection.
Frozen Plasma: send on dry iceSend samples to:
For additional information, please see Ordering Information
|Requisition Form||RFT- Hemostasis Reference Laboratory|
|Turn around Time (analytic time)||Run infrequently; scheduling available on request|
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