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Antiphospholipid Syndrome (APS), Comprehensive (Consultative)
Activated partial thromboplastin time (aPTT); aPTT 1:1 NP; aPTT 1:1 saline; anticardiolipin antibody, IgA, IgG, IgM; antiphosphatidylserine, IgG, IgM; antiprothrombin antibody, IgG; β2-glycoprotein 1, IgA, IgG, IgM; dilute Russell's viper venom time (dRVVT) confirm seconds; dilute Russell's viper venom time (dRVVT) ratio; hexagonal phospholipid neutralization; lupus anticoagulant interpretation; platelet neutralization
Determine the presence of antiphospholipid antibodies, using either clot-based or ELISA technology, that may be associated with an increased risk for arterial or venous thrombosis or obstetric complications. These antibodies may also be the cause of an elevated activated partial thromboplastin time (aPTT).
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Serum and plasma, frozen
Three 2 mL each frozen citrated plasma tubes and one 1 mL tube frozen serum
Serum/plasma must be separated from cells within 45 minutes of venipuncture. Send serum/plasma in plastic transport tubes. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Causes for Rejection
Wrong sample type; fibrin clot in plasma sample