Understanding
Your Results
Retrieving and Interpreting Results from a
Quantimmune™ COVID-19 IgG Antibody Test
Accessing Your Test Results
OVerview
Once your test has finished running, your results are posted to the Brevitest Cloud and are available for your review.
Simply go to our results website, https://brevitest-results.com, and you can retrieve your results, compare your immune system status to others, share your results with family and friends, and schedule an appointment – whether a follow-up for you or a new test for a friend or family member.
Brevitest IgG Antibody Test Specifications
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Results
Your results will look similar to these screens:
Negative
Your antibody score fell below the positive cutoff score. Speak with your physician about next steps.
Positive
Your antibody score is above the positive cutoff score. You have antibodies that bind to the spike protein.
Result Variations
This test is negative and below the limit of detection.
Every test has a limit of detection, that is a limit below which the test result cannot be distinguished from zero. In those situations, we report the result as less than the limit of detection, or "< 5". These samples have no measurable antibodies. Although our dataset is limited, we have observed that people who fall in this range have never been infected and have not been vaccinated.
This test is negative and in the quantifiable range.
The COVID-19 IgG test was validated against an antibody test by Zeus Scientific, Inc. that received Emergency Use Authorization from the FDA. Our test results demonstrated 100% agreement with the Zeus assay, and we established a cut score (the antibody concentration that is dividing line between positive and negative) based upon the statistical distribution of confirmed negative samples.
This test is positive and in the quantifiable range.
Patients who test in the "Positive" range have almost certainly seroconverted and are therefore likely to have both the benefit of circulating antibodies (which prowl about the body looking for the COVID-19 virus) and immunological memory. So while a "Negative" score doesn't necessarily mean you have no protection, having a "Positive" score makes it highly likely that you have a significant level of antibody protection.
This test is positive and above the quantifiable range.
Congratulations! You have so many antibodies that you're above the upper limit of what we can accurately measure with our COVID-19 antibody test. In our (albeit limited) experience, we have only seen levels above this limit in people who have recently been vaccinated. The vaccines create very large immune responses as your body goes into overdrive producing antibodies to repel what it perceives as a very large scale viral attack.
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