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A member asked:
74 y.o. male tested labcorp sars-cov-2 spike ab dilution antibodies test w/result over 25000 u/ml. no symptoms. previous test results since 11/21 2000-3500 u/ml. had c-19 in 7/2022, but tested neg 7/31/22. what's going on, please?
A doctor has provided 1 answer
Tested neg for COVID or antibodies? First or second test may be in error. Were they tested in the same lab with the same test both times. Discuss with your team who knows what is going on in CO.
Answered 12/3/2022
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Hello, I am on methotrexate and Humira and had my first covid shot on April. 24th. I had a covid antibody test done a few days ago and the results of my SARS-COV-2 spike protein is 3.84U/ml. Is that low?
5 doctors weighed in across 2 answers
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Hi, I got vaccinated early on with Pfizer and later got a SARS-CoV-2 Semi-Quantitative Total Antibody (Spike) test from LabCorp months later, result was 137.1 (< .8 standard range). I was wondering if this seems like a sufficient antibody response?
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