Sonic Healthcare Limited, a healthcare company, provides medical diagnostic services, and administrative services and facilities to medical practitioners. The company operates through Laboratory, Imaging, and Other segments. It offers laboratory medicine/pathology and radiology/diagnostic imaging services to clinicians, hospitals, community health services, and their patients. The company also provides general practice, occupational health services, remote health services, community and home nursing services, primary care research programs, health assessment technologies, hospital avoidance programs, and clinical trials and chronic disease management programs. In addition, it offers Phase I-IV clinical trials, safety testing, and patient monitoring services to the pharmaceutical, biotechnology, and research organizations. The company operates 233 primary care clinics. Sonic Healthcare Limited operates in Australia, the United States, Germany, and internationally. The company was formerly known as Sonic Technology Australia Limited and changed its name to Sonic Healthcare Limited in November 1995. Sonic Healthcare Limited was incorporated in 1934 and is headquartered in Sydney, Australia.