At a Glance
Why Get Tested?
To help investigate the cause of a blood clot (thrombotic episode); to evaluate a prolonged partial thromboplastin time (PTT); to help determine the cause of recurrent miscarriages, or as part of an evaluation for antiphospholipid syndrome; the tests are not used to diagnose the chronic autoimmune disorder systemic lupus erythematosus (SLE), commonly known as lupus.
When to Get Tested?
A blood sample obtained by inserting a needle into a vein in your arm
Test Preparation Needed?