Bio-Reference Laboratories, Inc. (Bio-Reference) is principally engaged in providing laboratory testing services, primarily to customers in the greater New York metropolitan area, as well as to customers in a number of other states. The Company offers a list of chemical diagnostic tests, including blood and urine analysis, blood chemistry, hematology services, serology, radio-immuno analysis, toxicology (including drug screening), pap smears, tissue pathology (biopsies) and other tissue analysis. It operates two clinical laboratories, one in Elmwood Park, New Jersey and one in Valley Cottage, New York. The Company also operates an andrology laboratory in New York City; a cytogenetics testing laboratory located in Milford, Massachusetts; a pathology laboratory in Poughkeepsie, New York; a pathology laboratory in Clarksburg, Maryland, and a genetics laboratory in Gaithersburg, Maryland.