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False Positives. Does Chronic HCV affect an HIV test?
Mar 12, 2005

Hello Dr. McGovern. Thanks for the information you provided to me. I know that Orasure tests and other HIV tests are pretty accurate, but I'm not sure if my chronic hepatitis c may have affected the rusults on the Orasure blood test, which gave me a positive result. What do you know about false positives regarding HIV and hepatitis? (I've been doing research and haven't found much, but I did learn that Hepatitis, among other illnesses (lupus, flu, etc) may cause a false positive). Any information you provide will be very useful. Thanks.

- Worried

Response from Dr. McGovern

I do not know of any information of false positives with Orasure related to HCV. In matter of fact I would strongly doubt that since so many patients with HIV have HCV - the test accuracy would be terrible if that were the case.

Anyone with a positive rapid test for HIV needs formal testing with ELISA and Western blot confirmation.

Dr. McGovern

HBsAg measurement
worried about sudden increase in count

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