The short answer
Detects antibodies from COVID-19 infection or vaccination to assess immune response, measured from a standard blood draw. At TestWell it costs $51.99 plus a $6 lab processing fee, needs no fasting, and results post in 2–4 business days. Physician-authorized with no doctor's visit or insurance needed; draw at Labcorp.
Hospital Lab
$180
cash pay
Other Labs
$69
+ lab fees
TestWell
$51.99
+ $6 lab processing fee
This test detects IgG antibodies to SARS-CoV-2, indicating a prior infection or immune response to vaccination. It measures antibodies to the spike protein, which are produced by both infection and most vaccines. While the presence of antibodies suggests some level of immunity, the exact level of protection they confer is still being studied.
Detects IgG antibodies to SARS-CoV-2. Distinguishes past infection from vaccine-only immunity using N-protein (infection-only) vs S-protein (both) antibodies. Useful for assessing prior exposure or vaccine response in immunocompromised patients.
Anyone curious about past asymptomatic COVID infection, immunocompromised patients evaluating vaccine response, post-COVID convalescent plasma donors, anyone investigating Long COVID symptoms.
Sample Type
Blood draw
Fasting
Not required
Results In
2–4 business days · typical; varies by lab and draw day
Performed At
Labcorp
1 biomarker tested
Your COVID-19 Antibody Test results will include values for each of the 1 biomarker tested, along with reference ranges. Results are reviewed by a licensed physician before being released to your secure portal.
If any values fall outside the normal range, your report will include guidance on what that may mean and recommended next steps. You'll receive an email notification when your results are ready, typically within 2–4 business days.
Typical reference range layout
Lab reports show where your value sits relative to established reference intervals—your physician interprets this in context for you. Already have results? Analyze them with your AI assistant against our physician-reviewed ranges.
No fasting required.
A COVID-19 Antibody Test costs $51.99 at TestWell — $57.99 all-in, since the $6 lab processing fee is charged once per order and there is no draw or physician fee. Hospital outpatient labs typically bill around $180.00 self-pay. With insurance you pay your plan's negotiated rate against your deductible; TestWell's price is fixed before the draw and HSA/FSA-eligible.
| Where you order | Price | One test, all-in | Notes |
|---|---|---|---|
| TestWell (drawn at Quest or Labcorp) | $51.99 | $57.99 | Includes the one $6 lab processing fee, charged once per order |
| Hospital outpatient lab, self-pay (typical) | $180.00 | $180.00 | Reference figure; hospital charges vary widely by facility and are often higher |
Competitor prices are read from the linked public pages and re-checked regularly; the labs' sites may add taxes or change prices without notice.
Compare more: Quest Diagnostics price list · Labcorp price list · Quest vs Labcorp · Lab test price checker
IgG antibodies to SARS-CoV-2. Most tests measure antibodies to the spike (S) protein, which both natural infection AND vaccines produce. Some tests also measure nucleocapsid (N) protein antibodies, which only develop after natural infection — useful for distinguishing past illness from vaccine-only immunity.
Partially. Antibodies indicate prior exposure (natural or vaccine), and higher levels generally correlate with reduced severity of subsequent infection. But there's no validated cutoff that guarantees immunity, and antibody levels wane over months. Cellular immunity (T-cell memory) provides additional protection that this test doesn't measure.
IgG antibodies typically develop 2-3 weeks after symptom onset and peak around 4-6 weeks. They can persist for 6-12 months or longer, often gradually declining. Test at least 3-4 weeks after suspected infection or vaccination for reliable results.
On TestWell, the COVID Antibody Test is $51.99. Quest Health lists the same test at $69, walk-in hospital labs typically bill $130-180 without insurance.
The CPT code for SARS-CoV-2 antibody testing is 86769 (qualitative or semi-quantitative IgG). Spike-specific IgG is sometimes billed as 86328.
Different uses. Antibody testing detects PAST exposure (infection or vaccine). For active infection, use a PCR or rapid antigen swab test (we don't currently offer these). Antibody testing is most useful for retrospective questions ('did I have COVID last winter?') and for immune-response assessment in immunocompromised patients.
No, fasting is not required for a COVID-19 Antibody Test — you can eat normally and book any time of day.
Order the COVID-19 Antibody Test online from TestWell for $51.99 (plus a $6 per-order lab processing fee) — no doctor's visit, referral or insurance needed. A licensed physician authorizes the order, then you walk into any Quest or Labcorp patient service center near you for the draw (the lab locator on our site lists the closest ones by ZIP code), and results arrive in 2–4 business days.
TestWell Price
$51.99
+ $6 lab processing fee at checkout
Get notified when this test becomes available
No insurance needed · HIPAA compliant
Frequently ordered together
Customers who ordered COVID-19 Antibody Test also added these for a more complete health picture.
Not sure where to start?