Quest Diagnostics in Costa Mesa offers convenient and efficient lab testing, including COVID-19 antibody testing by appointment. Located in the Pacific Medical Plaza near Newport Blvd and 16th Street, the facility operates Monday to Friday from 8:00 am to 4:00 pm. Patients can expect a welcoming atmosphere, with staff known for their kindness, professionalism, and empathy. Many reviewers highlight the quick and painless experiences they have had, particularly praising the skills and calming presence of staff members like Debra and Shelia. Customers appreciate the convenience of appointments, as they are often seen promptly with minimal wait times. The lab provides a variety of testing options, including routine lab tests and glucose tolerance tests. Overall, the Costa Mesa Quest Diagnostics location is recommended for its excellent service and comfortable environment.
If you need blood drawn this is an excellent facility excellent staff
July 2026
This is my third time there in 6 weeks and I am continually impressed. The processes are simple, the wait is basically non-existent, and the phlebotomists have been both professional and friendly.
June 2026
I visited your Patient Service Center and received excellent care from Rosie. She was professional, thorough, and incredibly friendly throughout the process. I am extremely satisfied with the quick and efficient service she provided.
