Lupus Anticoagulant: At a Glance

Lupus Anticoagulant

Also known as: Lupus Antibody, LA, Lupus Inhibitor
Formal name: Lupus Anticoagulant
Related tests: Partial Thromboplastin Time (PTT), LA Sensitive PTT (LA-PTT), Thrombin Time, Dilute or Modified Russell Viper Venom Screen (dRVVT or MRVVT), Anticardiolipin Antibodies, Prothrombin Time (PT), Antiphospholipid Antibodies

	At A Glance
	Why get tested? To help evaluate a prolonged partial thromboplastin time (PTT) and/or a thrombotic episode, to help determine the cause of recurrent fetal loss, and as part of an evaluation for antiphospholipid syndrome; not a diagnostic test for lupus When to get tested? When you have a prolonged PTT test; when you have had a venous or arterial thromboembolism; when you have had recurrent miscarriages, especially in the 2^nd and 3^rd trimesters Sample required? A blood sample obtained by inserting a needle into a vein in the arm Next >>

This article was last reviewed on May 23, 2007.