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Bleeding Diathesis With Normal aPTT/PT Profile (Esoterix)
α2-Antiplasmin assay; euglobulin lysis time; factor VIII activity; factor VIII chromogenic; factor IX activity; factor XI activity; factor XIII activity; fibrinogen activity; PAI-1 activity with reflex to PAI-1 antigen and tissue plasminogen activator (tPA); von Willebrand factor activity; von Willebrand factor antigen
To assist in the determination of a cause of bleeding in a patient with normal aPTT and PT.
This procedure may be considered by Medicare and other carriers as investigational and, therefore, may not be payable as a covered benefit for patients.
See individual tests.
7 mL platelet-poor frozen citrated plasma divided into seven tubes
Plasma must be separated from cells within 45 minutes of venipuncture and plasma centrifuged a second time before being placed in plastic transport tubes. Freeze within two hours and keep frozen until testing is performed.
Causes for Rejection
Noncitrated plasma; gross hemolysis; fibrin clot in plasma