At a Glance
Why Get Tested?
To monitor low molecular weight heparin (LWMH) therapy and sometimes to monitor unfractionated heparin (UFH) therapy
When to Get Tested?
When you are being treated with LMWH or UFH and your doctor wants to monitor the amount of heparin in your blood
A blood sample taken from a vein in your arm
Test Preparation Needed?
No test preparation is needed.