Extrinsic Pathway Coagulation Factor Profile (Esoterix)

CPT: 85210; 85220; 85230; 85260
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Test Details

Test Includes

Factor II activity; factor V activity; factor VII activity; factor X activity



Specimen Requirements


Plasma, frozen


Two tubes of 1 mL each

Minimum Volume

1.5 mL


Blue-top (sodium citrate) tube


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.

Storage Instructions



Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
500710 Extrinsic Pathway Coag Profile 500501 Factor II Activity % 3289-6
500710 Extrinsic Pathway Coag Profile 500676 Factor V Activity % 3193-0
500710 Extrinsic Pathway Coag Profile 500679 Factor VII Activity % 3198-9
500710 Extrinsic Pathway Coag Profile 500688 Factor X Activity % 3218-5
500710 Extrinsic Pathway Coag Profile 501101 Extrinsic Pathway Coag Profile N/A

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