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Lupus Anticoagulant Test

Unlock the mysteries of the Lupus Anticoagulant Test with our comprehensive guide—your go-to resource for understanding, testing, and implications.

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By Joshua Napilay on Aug 2, 2025.

Fact Checked by Nate Lacson.

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Commonly asked questions

The blood test assesses the presence of lupus anticoagulant, an antibody associated with an increased risk of abnormal blood clotting.

The test is performed to diagnose or monitor conditions such as antiphospholipid syndrome, recurrent thrombosis, and unexplained pregnancy complications.

The test typically involves measuring clotting times, such as activated partial thromboplastin time (aPTT) or dilute Russell Viper Venom Time (dRVVT), before and after adding patient plasma.

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