what testing is performed for lupus anticoagulant
It is recommended that two tests be used to detect lupus anticoagulant. The most sensitive tests are dilute Russell viper venom test (DRVVT) and a LA-sensitive PTT (PTT-LA), one that uses low levels of phospholipid reagents. Follow-up testing is performed to confirm or exclude the presence of lupus anticoagulant. These may include: