Banner Health offers diagnostic COVID-19 testing to find out if you are currently infected. We do not offer antibody testing.
COVID-19, caused by the SARS-CoV-2 virus, can be diagnosed in two main ways:
An antigen test looks for specific proteins on the surface of the virus. These tests:
However, antigen tests are less sensitive than molecular tests. They work best in the first 5–7 days of symptoms, but can give false-negative results—especially if you're asymptomatic or testing later in the illness. If your result is negative but you still have symptoms or a known exposure, a molecular (PCR) test may be recommended for confirmation.
A molecular test detects the virus’s genetic material. It is:
Banner Health uses only molecular (PCR) testing for COVID-19. This ensures that you receive the most accurate results without needing a follow-up test. We believe this is the safest, most reliable way to guide your care and protect our community.
Banner Health partners with Sonora Quest Laboratories to process COVID-19 samples.
Because we don’t process tests in-house, turnaround times may vary.
For the latest information, visit the Sonora Quest website.
Most at-home COVID-19 tests are antigen tests. Because they’re not as accurate, we may repeat your test using a molecular method to confirm your results. Accurate results help ensure you get the right care and protect those around you.
Banner Urgent Care offers COVID-19 testing for people with symptoms or known exposure. You may also:
We’ll call you with your results. You can also check your Banner Health or Sonora Quest patient portal.
If you test negative:
If you test positive:
If you have severe symptoms such as:
Go to the nearest emergency room right away. Wear a mask or put on one provided by the hospital to help protect others.