![]() ![]() SARS-CoV-2 Antibodies (NCVIGG, NCVIGQ), The qualitative detection of anti-Nucleocapsid IgG (NCVIGG) and the quantitative detection of anti-Spike IgG (NCVIGQ) antibodies. are able to perform blood draws for testing with a valid provider order. We recommend outside providers arrange to have their patients' blood drawn at their usual clinical draw sites and sent to the lab, preferably after contacting Client Support Services at to facilitate testing.įor patients who do not regularly seek care within UW Medicine, our phlebotomists at the University of Washington Medical Center-Northwest Campus (UWMC-NW) and UWMC-NW Outpatient Medical Center (OPMC) located on Meridian Ave. ![]() Ordering: We are pleased to perform serology testing for all patients who have a valid provider order. Results from antibody testing should not be used as the sole basis to diagnose or exclude SARS-CoV-2 infection or to inform infection status. Follow-up testing with a molecular diagnostic should be considered to rule out infection in these individuals. (Interpretation says <0.8 is negative, >0.79 is positive.I took the test 6 weeks after my second Pfizer shot. Nonreactive (Negative, <50.0 AU/mL) results do not rule out SARS-CoV-2 infection, particularly in those who have recently been in contact with the virus. Spike Antibody Test Results Ibru 2 years ago 69 Replies I got the results of my Semi-Quantitative Covid Spike Antibody test (LabCorp). Results from antibody testing should not be used as the sole basis to diagnose or exclude SARS-CoV-2 infection or to inform infection status.Ī table of quantitative anti-spike levels for otherwise healthy, recently vaccinated individuals by week of vaccination to aid in interpretation of test results is available in Table 3 in this pre-print. Reactive (Positive, ≥50.0 AU/mL) results may be due to immunization or past or present infection with SARS-CoV-2. The Abbott Architect SARS-CoV-2 IgG II assay, run under an emergency use authorization from the FDA, is quantitative test designed to detect IgG antibodies to the spike protein of SARS-CoV-2 in serum and plasma from individuals with an adaptive immune response to SARS-CoV-2, indicating recent or prior infection. ![]()
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