Why Get Tested?
As part of an investigation of a possible bleeding disorder or blood clot (thrombotic episode); to monitor unfractionated (standard) heparin anticoagulant therapy; as part of screening before surgery or other invasive procedure.
When to Get Tested?
When you have unexplained bleeding, inappropriate blood clotting, or recurrent miscarriages; when you are on standard heparin anticoagulant therapy; sometimes as part of a pre-surgical screen.
A blood sample drawn by needle from a vein in your arm.
Test Preparation Needed?