Ultrasound, X-Ray, Vascular, Bone Mineral Density Scan (BMD Scan) in Markham, Ontario. Best service in Markham. Ultrasound lab. Xray lab. We, at Ontario Diagnostic Centres, are here to provide best Diagnostic Imaging Services which are fast and have accurate results . We firmly believe that better healthcare is naturally less expensive. We dedicate our work to provide a widespread gamut of top-of-the-line clinical approach with diagnostic modalities that is wholly responsible for exploiting the entire array of technology innovations, increasing the pace of diagnosis and at the same time maintaining the consistency.