The most common tests used to detect lupus anticoagulants include all of the following except:

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PT/INR is primarily used to monitor warfarin therapy and assess the extrinsic pathway of coagulation, not specifically to detect lupus anticoagulants. Lupus anticoagulants are more directly assessed through tests like aPTT, Kaolin clotting time, and the Dilute Russell viper venom test, which evaluate the intrinsic pathway and the common pathway of coagulation.

The Most Common Tests Used to Detect Lupus Anticoagulants Include