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COVID-19 Antibody Test


Upon infection with the SARS-CoV-2 virus, the patient's immune system tries to fight the virus by producing blood-circulating molecules known as antibodies. IgM is a class of antibodies that appears early after an infection (as early as 3-5 days). IgM is the body's first line of defense against a foreign antigen. IgG is another class of antibodies that appears later and gradually replaces the IgM antibodies. Usually, IgG antibodies appear in the blood circulation within 3-4 weeks after initial infection. The presence of SARS-CoV-2-specific IgM and/or IgG antibodies in the blood of a patient is a strong indication that the patient has been infected with the SARS-CoV-2 virus.

Antibody tests for COVID-19


SMA Specialty Medical Laboratory offers options for qualitative and quantitative detection of antibodies in the blood that are produced by the body in response to SARS-CoV-2 virus or after vaccination. The testing for antibodies tests for IgG or IgM antibody testing related to the SARS-CoV-2 virus. The test helps physicians determine whether patients were recently exposed or infected with the COVID-19 virus and may also help indicate the overall immune response to the virus. Antibody tests are performed using blood specimens collected from individuals who may have been infected with COVID-19 or have been vaccinated.

How to get a Antibody test for COVID-19


Patients should contact their healthcare provider for testing requests. A laboratory prescription or requisition from an authorized healthcare provider is required for the testing. You may bring your prescription or requisition to SMA Specialty Medical Laboratory to have your blood collected. Patients must wear a mask or face cover and must not have experienced COVID-19 symptoms in the last 14 days.

Are AntibodyTest for COVID-19 Covered by Insurance?


Antibody testing is covered by most insurance. The self-pay price for testing is $50 for IgM testing and $50 for IgG testing or $85 for the combination of IgM and IgG.