Rapid Antigen Test

FREE – For Insured and Uninsured

Get your results is less than 30 minutes via email.

Free Antigen test for uninsured patients is subject to payments from State of Illinois fund. If the claim is rejected then patient will be responsible for paying $29.99 for rapid antigen test.

An antigen test, often referred to as a rapid or fast COVID-19 test, is a viral test, one of the two types of tests used to detect COVID-19. Rapid antigen tests are considered to be one of the simplest and quickest ways to test yourself for COVID-19 and have been recommended by many authorities and governments as a cost-effective way to mass test populations.

What is an antigen?
According to Harvard’s Medical Dictionary of Health Terms, an antigen is any substance that the body recognizes as harmful or foreign, which induces the immune system to produce antibodies against it.

Here is a short breakdown of the procedure:

  • Collect the sample by swabbing and rotating the cotton swab inside both nostril
  • Place the swab inside the testing well
  • Add the liquid testing solution
  • Wait for 15 minutes to get a result

How accurate or reliable are antigen tests?
The accuracy and reliability of rapid antigen tests is often debated. Compared to polymerase chain reaction (PCR) tests, rapid antigen tests are slightly less accurate.

Generally, test accuracy is measured using sensitivity and specificity.

  • Sensitivity is defined as the ability to correctly identify subjects with COVID-19.
  • Specificity is defined as the ability to correctly identify subjects without COVID-19.

PCR tests have been shown to be up to 100% accurate, although accuracy varies depending on which test is used. Some tests have been found to present false-negative result rates of 15% to 20%.

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