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Hello doc, hope you r well and good, I did the hiv antu body test after 40 days of post exposure? Which came non reactive but the cutoff rate is 0.23 why is it too high? Kindly answer me.
2Doctors Answered
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Get it done after 90 days.
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YESSOMEWHATNO
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The cut off is not too high .the "index value" (also called the "signal-to-cutoff ratio") is a technical term having to do with how this type of hiv-antibody test is conducted. Values less than 0.90, like yours, are definitively negative! values between 0.9 and 1.0 would be equivocal or borderline.
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YESSOMEWHATNO
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