Quest Diagnostics is a reliable medical laboratory that offers a range of services, including COVID-19 antibody testing, routine lab tests, pediatric specialty, glucose tolerance test, and Blueprint for Wellness. The business is conveniently located next to a CVS pharmacy and Shasta Community, with operating hours from Monday to Friday, 7:00 am to 11:30 am and 12:30 pm to 4:00 pm. Customers have generally had positive experiences with the business, praising the professionalism and courtesy of the staff, as well as the efficiency and ease of the process. The phlebotomists are often described as skilled and gentle, making the experience nearly painless. However, some customers have reported issues with the intake computer system, suggesting the need for improvement or the addition of a receptionist. Overall, Quest Diagnostics is a reliable and efficient medical laboratory that provides a range of services in a friendly and professional manner.