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Heparin Anti-Xa

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Also known as: Anti-Xa chromogenic; Xa Inhibition; Anti-factor Xa Heparin; Anti-FXa; Heparin Level; Heparin Activity
Formal name: Heparin Anti-Xa

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At a Glance

Why Get Tested?

To monitor standard, unfractionated heparin (UFH) therapy and sometimes to monitor low molecular weight heparin (LMWH) therapy

When to Get Tested?

When you are being treated with UFH or LMWH and your healthcare provider wants to monitor the amount of heparin in your blood

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?