Diagnostic Laboratory of Oklahoma, also known as DLO, offers a range of clinical laboratory testing services for physicians, hospitals and clinics throughout Oklahoma. It manages more than 20 patient service centers and serves over 2,000 physician offices and hospitals on a daily basis. The laboratory is certified to perform examinations in various specialties, such as bacteriology, mycobacteriology, mycology, virology, syphilis serology, general immunology, routine chemistry, urinalysis, endocrinology, toxicology and hematology. Diagnostic Laboratory of Oklahoma oversees a professional staff of nearly 750 employees. It is accredited by the College of American Pathologists (CAP) and the Department of Health and Human Services. Diagnostic Laboratory of Oklahoma is located in Oklahoma City, Okla.