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Extrinsic Pathway Coagulation Factor Profile (Esoterix)
Test Code500710
CPT Codes
85210; 85220; 85230; 85260
Includes
"Factor II activity; factor V activity; factor VII activity; factor X activity
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Preferred Specimen
"Plasma, frozen
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Minimum Volume
"1.5 mL
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Instructions
"Freeze
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.
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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.
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Transport Container
"Blue-top (sodium citrate) tube
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Methodology
"Clot "
