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COVID-19 Antibody Test


A serology test or antibody test detects the presence of antibodies like Immunoglobulin G (IgG) and Immunoglobulin M (IgM) in the blood from the body’s adaptive immune response to an infection.

An antibody test does not detect the virus itself. In the early days of an infection when the body’s adaptive immune response is still building, antibodies may not be detected. For this reason, an Antibody test cannot be used for diagnosing current COVID-19 or to exclude acute COVID-19 infection.

However, serology tests play a role in the fight against COVID-19 by helping health care professionals identify individuals who may have developed an adaptive immune response to SARS-CoV-2 or to assess the protection from SARS-COV2 vaccine.

  • Anti S protein Qualitative IgG and IgM antibody
  • Anti-N-protein Qualitative IgG and IgM antibody

SARS COV2-Neutralizing antibody test by automated ELISA system

We use the cPass™ neutralizing antibody technology from GenScript for this test.

The cPass™ technology allows for the rapid detection of total neutralizing antibodies (NAbs) in a sample by mimicking the interaction between the virus and the host cell. In order for a virus to infect a host cell, a viral receptor binding protein (RBD) first needs to interact with the host cell’s membrane receptor protein (ACE2).

The virus-host interaction and subsequent viral infection of the host cell leads to the activation of an individual’s immune response which generates a population of antibodies against the virus. Some of these antibodies can bind to the virus, but not necessarily block viral infection. Other antibodies can bind to the RBD in a way that blocks the interaction with the ACE2 receptor. The cPass™ technology helps to distinguish whether a sample contains NAbs that may specifically block the interaction and therefore the viral entry into the host cell.


Book COVID-19 Antibody Test




Frequently Asked Questions (FAQ) about COVID-19 Testing

How do I schedule an appointment?

Please use the following link to schedule an appointment:

https://theradiancediagnostics.com/schedule-appointment/

or call our office at (630) 995-3722 between 8:30 am – 4 pm, Monday through Friday, or 8:30 am – 1 PM on weekends. If we are busy and can’t answer the phone, please leave a message and we will get back to you as soon as we can.

Alternatively, talk to us through Facebook messenger on our website.

What are the tests, prices and turnaround times offered for COVID-19 testing?

Urgent Turnaround

(Results within 10-12 hours of collection)

$350 – COVID-19 RT-PCR Test and IgM/IgG Antibody Test

$250 – COVID-19 RT-PCR Test

Standard Turnaround

(Results within 22-24 hours of collection)

$225 – COVID-19 RT-PCR Test and IgM/IgG Antibody Test

$125 – COVID-19 RT-PCR Test

$100 – COVID-19 IgM/IgG Antibody Test

$100 – COVID-19 Rapid Antigen Test
(Results within 2 hours)

Express Turnaround Time

(Results within 6-8 hours of collection)

Please enquire for pricing

What sort of preparation is required for testing?

  1. Wear a face mask when in the facility and during testing
  2. Bring a valid photo ID (a passport, driver’s license or any form of government provided ID)
  3. Bring a form of payment (we accept Credit/Debit Card, HSA Card, Cash, Check, Paypal)
  4. No fasting is required for testing, so make sure you are not starving for a blood draw (for COVID antibody testing)

Can I get my report on Holidays?

Yes, you will still get the report within the turnaround time even if you were tested the day before a holiday.