COVID-19 Immune Index™ - IgG, IgM, IgA Antibody Testing by CLIA Correlated with Virus Neutralization

Dried Blood Spot (DBS):

• Dried blood spots collected and dried on an appropriate DBS card

• Fill circles completely and evenly to the outer edge

• Reverse side should look similar to the front

• Dry the DBS card for at least 1 hour prior to packaging for shipping

Serum/Plasma:

• Serum Separator Tube preferred

• Absolute minimum volume: 1mL

About This Test

Positive results to antibodies against SARS-CoV-2 are generally indicative of an individual’s current or prior infection with the COVID-19 virus, however, the duration of these antibodies remaining in circulation has not yet been established. These test results should always be considered in the context of a patient’s clinical history, physical examination, epidemiologic exposures and vaccination history before making the final diagnosis.

• IgM isotype antibodies develop within 5 to 7 days and indicates recent infection.

• IgG isotype antibodies develop after 10 days and remain in circulation longer. It may indicate past infection or vaccine mediated immune response.

• IgA isotype antibody development is variable in its response and may indicate It may indicate past infection or vaccine mediated immune response.