All tests
Blood tests
Antiphospholipid Antibodies
Tests for antibodies that raise the risk of blood clots and pregnancy loss.
Video lesson
Why it’s ordered
After unexplained clots or pregnancy complications, and in people with lupus.
Understanding results
The panel includes lupus anticoagulant, anticardiolipin and anti-beta-2 glycoprotein I. Persistently positive results 12 weeks apart are needed for APS.
Good to know
Blood thinners can interfere with lupus anticoagulant testing.
At a glance
Type
Blood tests
Reviewed by Farhan Tahir, MD, FACR
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