Sonic Healthcare Ltd. engages in the provision of medical diagnostics services. It operates through the following segments: Laboratory, Imaging, and Other. The Laboratory segment offers pathology and clinical services in Australia, New Zealand, the United Kingdom, the United States of America, Germany, Switzerland, Belgium, and Ireland. The Imaging segment includes diagnostic imaging services in Australia. The Other segment covers the corporate office function, medical center operations and occupation health services, and other minor operations. The company was founded on September 25, 1934 and is headquartered in Sydney, Australia.