What is the purpose of the dilute Russell's viper venom time test in the diagnosis of coagulation disorders?

A To assess the activity of factor VIII
B To evaluate the function of the intrinsic and common coagulation pathways
C To detect the presence of lupus anticoagulant ✓
D To measure the level of fibrinogen in the blood

Explanation

The dilute Russell's viper venom time test is used to detect the presence of lupus anticoagulant, which is an antibody that can cause an increased risk of thrombosis.

Source

Clinical Hematology textbook
Hematology Hematology: Coagulation Disorders Hematology: Coagulation Disorders Medium MEDICAL Confidence: high