False Positive

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A positive test result that incorrectly indicates that the condition being tested for is present when, in fact, the condition is actually not present. For example, a false positive HIV test indicates a person has HIV when, in fact, the person is not infected with HIV. False positive reactive tests are not common in standard HIV clinical testing. False positives can sometimes occur due to other infections that might be present at the time of being tested. Other tests can be run if a test is suspected to be false-positive, and all HIV-positive results are sent for confirmatory testing using other methods regardless.