Sonic Healthcare Ltd. engages in the provision of medical diagnostics services. It operates through the following segments: Laboratory, Radiology, and Other. The Laboratory segment offers pathology and clinical services. The Radiology segment is involved in diagnostic imaging services in Australia. The Other segment refers to 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.