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False Positive Hepatitis C Test Results

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Ask the Experts

Whats the chances of positive western blot test results actually be a false positive??? (WESTERN BLOT TEST)

i just recently got tested positive with western blot hiv! in all areas that the doctors test for i am reactive in every catagorie!! all 3 of my partners in the last year and a half are all negative but me!! is it possible to be a fauls positive??
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hi,Yes, it's possible your Western Blot (WB) test was a false-positive, particularly if this was your only HIV test! WB tests should only be run as a confirmatory test after someone has a repeatedly reactive (positive) ELISA, EIA or rapid test.... Read more »

Cut off value patiet value Hepatites c

I have gone through a Elisa method test. The result are Patient Value=>3.00 Cut off Value=0.136.... Read more »
Articles
The Body PRO

Early Expiration May Be Cause of Unusually High False-Positive Rates on OraQuick Rapid HIV Tests, Study Finds

...December 2007, who had either an initial HIV negative result or a preliminary positive result on the test that was proved to be a false positive after confirmation with an IFA [immunofluorescent assay] or a Western Blot. 1 Shelley... Read more »
U.S. Centers for Disease Control and Prevention

Overview of False-Positive Oral Fluid Rapid HIV Tests

...2005 through May 2008. STD clinics in NYC using the oral fluid rapid test reported two episodic increases in false positive test results over the past four years. Because of the second episode of increases in false-positives since November 2007,... Read more »
U.S. Centers for Disease Control and Prevention

Questions and Answers: False-Positive Oral Fluid Rapid HIV Tests

...keep in mind that overall oral fluid tests have performed well. The significance of the increase in false-positive oral fluid test results is not yet known. However, when the accuracy of a test varies like this in one site it is necessary to... Read more »
Henry J. Kaiser Family Foundation

MMWR Report Examines False-Positive Oral Fluid Rapid HIV Tests

...2005--2008 ," Morbidity and Mortality Weekly Report : MMWR examines recent increase in the number of false-positive HIV test results in oral fluid testing with OraSure Technologies ' OraQuick Advance Rapid HIV-1/2 Antibody Test in the New... Read more »
Connect With Others

I tested Positive, My boyfriend didnt, False positive?

Posted by ruraltgwoman, 1 Reply
I tested positive for HIV on 12/10. My boyfriend just got his results back today 12/21. His results came back negative. We have been having unprotected sex for the last 4 years and have been together for 5. I have only been wih him during that... Read more »

Recived a "False Positive" test, but still worried

Posted by Anonymous, 3 Replies
A few days after sleeping with my girlfriend while she was on her period, using a condom, I got something like the flu, with the addition of sore throat, complete loss of appetite for 3 days, diarrhea and a stomach ache. After the 3 days, I felt... Read more »

Do TWO false positive ELISA tests mean I'm okay?

Posted by bobarama, 1 Reply
I had unprotected insertive vaginal, with a lady a few times. I then had a flu like illness with a flat rash on my chest and stomach. A few weeks after that I tested and it was a positive ELISA with negative Western Blot. I went back to test... Read more »

Likelihood of False Positive with ELISA?

Posted by jp976, 1 Reply
...positive for HIV on the ELISA test. It was a blood test performed at my doctor's office. The doctor said there is a chance it is a false positive. Somehow though, I feel inside that it isn't. Now I'm just waiting for the results of the Western... Read more »