Understanding the Chromogenic Factor X Assay: Its Value in Patient Care
Posted on: March 21, 2025
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Understanding the Chromogenic Factor X Assay: Its Value in Patient Care
Key questions in managing warfarin patients include:
- What are the options for monitoring a patient e.g. with the presence of a strong Lupus Anticoagulant (LA) inhibitor, where INRs might be unreliable?
- What test can measure the effect of warfarin to help ensure that the patient is in the therapeutic range?
The chromogenic Factor X assay measures % Factor X (FX) levels, which are useful for monitoring warfarin therapy in patients where the INR is unreliable. This makes it a valuable tool for healthcare providers aiming to deliver high-quality care in the management of anticoagulant therapy.
Unlike traditional coagulation tests such as the prothrombin time (PT), the chromogenic factor X assay provides a direct measurement of factor X activity. This is significant because for patients with conditions that interfere with standard coagulation tests, prolonging the baseline PT, such as presence of a lupus anticoagulant, the INR value may not accurately reflect levels of anticoagulation.
By providing accurate measurements of factor X activity, this assay helps providers better manage anticoagulant therapy.
TheDiaPharma Factor X Kit is accessible, FDA cleared, and available across the U.S.
Visit diapharma.com to learn more.
View our full portfolio of hemostasis and thrombosis assays at diapharma.com.
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