Dexa (Dual Energy X-ray Absorptiometry) is the most commonly used test for measuring bone mineral density. It is one of the most accurate ways to diagnosis Osteopenia or Osteoporosis. This quick and painless procedure should be done routinely for certain patients. UDI is the only radiologist-owned imaging facility in central Florida. Dr. George Stanley and his associates will interpret your scan promptly and share the findings with your physician.