Antiphospholipid Antibodies

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Also known as: APA
Formal name: Antiphospholipid Antibodies
Related tests: Lupus Anticoagulant Testing, Cardiolipin Antibodies, PTT (partial thromboplastin time), Platelet neutralisation procedure, Kaolin clotting time, Hexagonal phospholipid confirmatory test, Dilute prothrombin time, Anti-beta2 glycoprotein I antibodies, Anti-phosphatidylserine antibodies, Anti-prothrombin antibodies

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.

Sample Required?

A blood sample taken from a vein in your arm

Test Preparation Needed?