At a Glance
Why Get Tested?
To help investigate inappropriate clot formation; to help determine the cause of recurrent miscarriage; to evaluate a prolonged PTT (partial thromboplastin time); as part of an evaluation for antiphospholipid antibody syndrome, as part of the evaluation of patients with connective tissue disease.
When to Get Tested?
When you have a prolonged PTT test; when you have had recurrent unexplained venous or arterial blood clots; when you have had recurrent miscarriages, especially in the second and third trimesters; if you have lupus or a related connective tissue disease.
A blood sample taken from a vein in your arm
Test Preparation Needed?