Quest Diagnostics is a well-regarded medical testing center that offers a variety of services, including routine lab tests, drug screenings for both DOT and non-DOT purposes, pediatric tests, glucose tolerance tests, and wellness programs. Recently, they began offering COVID-19 antibody testing by appointment, though this service is not available to those experiencing COVID-19 symptoms within the last 10 days. Face coverings are required at all locations to ensure safety. Patients appreciate the convenience of online scheduling, often able to book same-day appointments with minimal or no wait time. Several reviews highlight the friendly and professional staff who make the process quick and comfortable. Many describe the clinic as clean and efficient, with check-in procedures that allow for easy and contactless arrivals, such as checking in via text from the parking lot to skip waiting in line. The staff at the N. Dale Mabry location, in particular, receive praise for their professionalism and personable attitude. Patients note that the technicians are skilled, fast, and gentle, even when dealing with difficult veins. Overall, Quest Diagnostics is seen as a reliable, efficient, and customer-friendly choice for lab testing needs.