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Extrinsic Pathway Coagulation Factor Profile (Esoterix)
Factor II activity; factor V activity; factor VII activity; factor X activity
Two tubes of 1 mL each
Plasma must be separated from cells within 45 minutes of venipuncture. Send plasma in a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.