COVID-19 Antibody Test - Nucleocapsid - Semi- Quantitative

The COVID-19 antibody test checks for the immunoglobulin G (IgG) antibody for the novel coronavirus.

This test may be right for you if you:

Have previously tested positive for COVID-19 infection and want to know if you have detectable antibodies.

Have never been diagnosed with COVID-19 and want to know if you have been previously exposed to the virus.

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About the COVID-19 Antibody Test

This test may detect antibodies produced if you were infected by COVID-19. It does not detect the spike antibodies produced by the vaccines currently available.

What is a semi-quantitative COVID-19 antibody test?

This test checks for antibodies to COVID-19. If you’ve been exposed to COVID-19, your body produces antibodies as part of your immune response. The test provides a numerical value that indicates whether or not you may have antibodies to COVID-19.

 

Why order the COVID-19 Antibody Test?

  • If you were never diagnosed with novel coronavirus, the COVID-19 antibody test can help determine if you may have been previously exposed to the virus.
  • If you were diagnosed with COVID-19, this test can check whether or not your body has produced antibodies.

Flatten the Curve

The COVID-19 Antibody Test, also known as a serology test, may help identify if you were previously exposed to the virus. Currently, the FDA allows antibody testing with the following important clarifications:

Frequently Asked Questions

  • Fever
  • Cough
  • Shortness of breath
  • Chills
  • Shaking with chills
  • Loss of taste or smell
  • Muscle pain
  • Headache
  • Sore throat

IgG antibodies are believed to appear 3-4 weeks after infection.

When IgG antibodies are present, it often indicates a past infection but does not exclude recently infected patients who are still contagious. It is unknown how long  IgG antibodies to SARS-CoV-2 will remain present in the body after infection and if they confer immunity to infection.

According to the Centers for Disease Control and Prevention, “Serologic test results have limitations that make them less than ideal tools for diagnosing people who are sick.”