Bio-Reference Laboratories, Inc. provides clinical laboratory testing services for the detection, diagnosis, evaluation, monitoring, and treatment of diseases primarily in the greater New York metropolitan area. It offers various chemical diagnostic tests, including blood and urine analysis, blood chemistry, hematology services, serology, radio-immuno analysis, toxicology, pap smears, tissue pathology, and other tissue analysis. The company also operates a clinical knowledge management service unit, which uses customer data from laboratory results, pharmaceutical data, claims data, and other data sources to provide administrative and clinical decision support systems. In addition, it operates a Web-based connectivity portal solution for laboratories and physicians to provide laboratory ordering and results to physician customers. The company provides its services directly to physicians, geneticists, hospitals, clinics, and correctional and other health facilities. Bio-Reference Laboratories, Inc. was founded in 1981 and is headquartered in Elmwood Park, New Jersey.