Quest Diagnostics COVID-19 Antibody Test
Type
Blood Testing
Biomarkers
1
Duration
30 min
Results
3 days
Detects COVID-19 antibodies from a previous infection or vaccination.
This test detects the presence of antibodies to SARS-CoV-2, the virus that causes COVID-19. Positive results may indicate prior infection or vaccination. A positive result may also occur after a COVID-19 vaccination, but the clinical significance is not yet known. This test helps determine if you have antibodies from a prior infection or vaccination. The results should not be interpreted as an indication of immunity or protection.
Key Details
- Type
- Antibody detection (not active infection)
- Fasting Required
- No
- Sample Type
- Blood draw
- Turnaround
- 1–3 business days
- Timing
- Test 2–3 weeks after exposure/vaccination
Who Is This For?
Anyone who wants to check their antibody levels after vaccination or infection. People who suspect they had COVID-19 or another respiratory infection but were never tested. Those interested in monitoring their antibody levels over time. Healthcare workers and others in high-exposure settings.
What's Included
Preparation Required
No fasting required. No special preparation needed. Antibody tests should be performed at least 2–3 weeks after symptom onset or vaccination for accurate results.
Biomarkers Tested
1Immunoglobulin G (IgG) is the most common type of antibody in the blood, important for fighting bacterial and viral infections.
Includes a $6.00 Physician Service Fee. Klarna/Affirm payment options available.
- Category
- Diagnostic
- Sample Type
- Blood draw
- Duration
- 30 min
- Results
- 3 days