Would you like a receipt? http://online-levitra.in.net/ levitra generic Instead of agreeing to routinely pay for the $3,000 test, CMS proposed "Coverage with Evidence Development," a designation that suggests there are still gaps in the evidence over the benefits of the test. Using this designation allows the agency to gather more data by paying for scans in patients taking part in clinical trials. Once those are completed, CMS could use the data to render a decision on coverage.