Quest Diagnostics Nichols Institute of Valencia, founded in 1975, is a full-service, clinical reference laboratory focused on partnering with hospitals and commercial labs to support their role in community-based medicine and to reduce costs for episodes of care. Our lab remains a distinct operating division of Quest Diagnostics operating a 200,000 sq ft, state-of-the-art facility in Valencia, California as the center of excellence for Urology testing. Our lab will continue to provide cutting-edge research and development of new assays as well as refinement of existing diagnostic tests to produce assays with greater sensitivity, specificity, efficiency and clinical value for reliable and cost-effective patient assessment.