U.S. doctors online nowAsk doctors free
A 39-year-old male asked:

Lupus anticoagulant screen w/ ref. is it normal for the results to change in a few months? prolonged screen in october. now prolonged screen and drvvt 1:1 confirmation positive. the mix was corrected. what factors could be deficient-v? x? thanks?

1 doctor answer1 doctor weighed in
Dr. Hiep Le
Dr. Hiep Leanswered
Nephrology and Dialysis 43 years experience
Factor X deficiency.
Last updated Jan 24, 2022


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.