Knox CovidTesting Sites Knox COVID Testing provides you with access to labs that gives you the chance to test for COVID-19 at no cost. COVID-19 testing is available for those who are insured and uninsured at all sites below! Book Your Appointment Now No Appointment Needed Just register and pass by to get tested. Results in 15 Minutes Get your results in under 15 minutes. Drive-Thru Drive-thru customers are welcome. Book tests for your business Get in touch Where can you get tested? - PCR & Rapid Available - Search for your location Search by ZIP Walk-Ins and Drive throughs are welcome! Looking for the best & quick testing locations? Simply register using one of our links, walk in or drive through and get prioritized care at no cost. Register Now! Contact US Email Us [email protected] Call Us 972-450-9568 First Name Last Name Email Message Send