Extrinsic Pathway Coagulation Factor Profile (Esoterix)

CPT: 85210; 85220; 85230; 85260
Print Share

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

For Providers

Please login to order a test.


© 2018  Laboratory Corporation of America® Holdings and Lexi-Comp Inc. All Rights Reserved.

CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2018, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf