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Test #
231
Test CPT Codes
86769 x3
COVID-19 Immune Index™ - IgG, IgM, IgA Antibody Testing by CLIA Correlated with Virus Neutralization
Test Type
Diagnostic Immunology
Test Disease / Components
COVID-19 Infection
Test Technology
Chemiluminescent Immunoassay (CLIA)
Clinical Utility
Follow-up
Test Specimen
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.
Storage and Stability
Turnaround Time (TAT)
≤ 2 days