Beaumont Health, a large healthcare system in metro Detroit, Michigan self-reports discounted prices for uninsured patients as well as for most area health insurance plans. List includes a large number diagnostic tests: lab tests, imaging tests (x-ray, CT, MRI, PET scans), cardiology tests, ultrasound, mammograms, DEXA bone density tests. It also gives prices and discounts for colonoscopies (listed under gastroenterology surgery), endoscopies, and more. Consumers must put in their personal insurance information to see the prices. The site expressly states that they do not include physician’s fees such as your surgeon, pathologist, anesthesiologist or radiologist. The number to call for more information is also provided. Implied current prices, with price quotes that may be good for 60 days.