That's because CMS has changed its tune and decided to establish a national policy that allows payment for these tests when a physician is initially diagnosing obstructive sleep apnea. "This coverage decision establishes nationally consistent coverage and assures that beneficiaries who have sleep apnea can be appropriately diagnosed and referred for treatment," said CMS Acting Administrator Charlene Frizzera in a March 3 statement. To read the new policy, visit www.cms.hhs.gov/mcd/viewdecisionmemo.asp?id=227.