Beckman Coulter, Inc. Primary Care Diagnostics is a world leader in rapid test kits that are used to detect fecal occult bleeding (associated with colorectal cancer and other gastrointestinal disorders) and aid in the diagnosis of peptic ulcer disease, pregnancy, streptococcal pharyngitis and gastric occult bleeding/pH. In addition, Beckman Coulter Primary Care Diagnostics sells and services hematology systems into all markets: hospitals, government, university and primary care physicians' offices.