Test Overview
Test Methodology

Chemiluminescent Immunoassay

Test Usage

Aiding in identifying individuals with an adaptive immune response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), indicating recent or prior infection. The test provides qualitative detection of serum total antibodies ((including IgG and IgM) against nucleocapsid protein of the SARS-CoV-2.

Please see https://www.pathology.med.umich.edu/covid-19-resources for additional information regarding COVID antibody and other COVID testing.

Reference Range *

< 1.0 Index = Negative for antibodies (Nonreactive)
=/> 1.0 Index = Positive for antibodies (Reactive)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
7 days, 24 hours
Analytic Time

1 day

Soft Order Code
MiChart Code
Chemical Pathology
Specimen Requirements
Collection Instructions

Collect specimen in SST tube. Centrifuge, aliquot and transport specimen refrigerated.

Normal Volume
0.5 mL
Minimum Volume
0.3 mL
Storage Temperature
Refrigerated - 7 days Frozen - 30 days
Rejection Criteria
Grossly hemolyzed
Grossly icteric
Severely lipemic

Do not freeze whole blood or any samples stored in the collection tube.
Additional Information

SARS-CoV-2 (COVID-19) Total Antibodies, Qualitative by CIA test is for in vitro diagnostic use under an FDA Emergency Use Authorization (EUA). In compliance with this authorization, please review Antibody Fact Sheet for Health Care Provider for more information.

CPT Code
Fee Code