Quest Diagnostics is a well-rated testing center offering a variety of services, including COVID-19 antibody testing by appointment, blood, urine, and routine lab tests. The location is known for its clean facilities, prompt service, and friendly, knowledgeable staff. Patients appreciate how quick and easy the process is, often in and out within minutes. The staff, including nurses and assistants, are described as kind, caring, gentle, and professional. Many reviewers highlight the convenience of scheduling appointments and the helpfulness of staff members. The location is behind Carl's Jr. at the corner of Barranca Pkwy and Creek Pkwy. It is currently not available for COVID-19 testing for those with recent symptoms. The clinic closes at 3 pm, and visitors are advised to check their website for tips on preparing for tests and to schedule appointments. Overall, Quest Diagnostics provides efficient, courteous, and reliable testing services.