Sonic Healthcare Limited offers medical diagnostic services, and administrative services and facilities to medical practitioners in Australia, the United States, Germany, and internationally. The company provides laboratory medicine/pathology testing services, such as biochemistry, cytopathology, genetics, haematology, histopathology, immunoserology, microbiology, molecular pathology, prenatal testing, toxicology, and ancillary functions; and radiology services, including magnetic resonance imaging, computed tomography (CT), ultrasound, X-ray, mammography, nuclear medicine, PET CT, interventional procedures, and bone mineral densitometry. It also offers primary care medical services comprising general practice clinics, occupational health services, skin cancer clinics, general practice IT solutions, and community-based healthcare services, as well as clinical trials services. Sonic Healthcare Limited was incorporated in 1934 and is headquartered in Sydney, Australia.