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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
A blood sample drawn from a vein in your arm
Test Preparation Needed?