SARS-CoV-2 Antibodies (IgG Nucleocapsid, IgM Spike), Qualitative : 31672

Test Code

COVABS or 31672

Alias/See Also

Novel Coronavirus, COVID19, nCOV, Wuhan, Coronavirus

CPT Codes
86769x2

Includes

IgG Nucleocapsid and IgM Spike

Transport Container

Preferred Specimen
1 mL serum

Minimum Volume
1 mL

Transport Temperature

Refrigerated.

Specimen Stability

Room temperature: 4 days; Refrigerated: 7 days; Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis, Grossly lipemic, Grossly icteric, Frozen Serum Separator Tube (SST®)

Methodology
Immunoassay (IA)

Setup Schedule

Monday - Saturday

Report Available

1-2 days (From receipt at performing laboratory)

Reference Range

See Laboratory Report

Clinical Significance

SARS-CoV-2 Antibodies (IgG Nucleocapsid, IgM Spike), Qualitative - Detection of IgG and IgM antibodies may indicate exposure to SARS-CoV-2 (COVID-19). IgM antibodies to SARS-CoV-2 are generally detectable in blood several days after initial infection, with IgG antibodies typically reaching detectable levels simultaneously or 1-2 days later. Separate results will be provided for IgM and IgG. A positive antibody result may suggest an immune response to a primary infection with SARS-CoV-2, but the relationship between positivity and immunity to SARS-CoV-2 has not yet been firmly established. Antibody tests have not been shown to definitively diagnose or exclude SARS-CoV-2 infection. Diagnosis of COVID-19 is made by detection of SARS-CoV-2 RNA by molecular testing methods, consistent with a patient's clinical findings.

Performing Laboratory
Quest Diagnostics

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.