National Healthcare Group Diagnostics (NHG Diagnostics) is a business division of the National Healthcare Group (NHG). Founded in 2000, NHG Diagnostics is the leading provider of one-stop laboratory and imaging services in primary healthcare, with an extensive network of imaging centres, laboratories and a fleet of mobile services in Singapore. Its diagnostic services at polyclinics, community hospitals, general practitioner clinics, nursing homes, home care providers and the community include general X-ray, mammography, ultrasound, electrocardiography, bone mineral densitometry, spirometry, phlebotomy and laboratory testing. All its laboratories and radiography centres are accredited with ISO 15189. It also provides teleradiology reporting and professional services in managing radiology and laboratory clinics.