|Also Known as (Alias)||Eliquis|
|Indications||Testing plasma level of Apixaban, an antithrombotic drug.|
|Test Information||Apixaban is detected with an anti-Xa assay using an apixaban-specific standard|
|Additional Test Information||A therapeutic range has not been determined. Levels measured in patients on therapy vary widely. If assessing steady-state levels, measurement at trough is recommended.|
|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 ice
Send samples to:
For additional information please see Ordering Information
|Requisition Form||RFT- Hemostasis Reference Laboratory|
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