You're in a race against the clock to make sure that you and your referral sources are enrolled in PECOS before CMS turns on edits that will reject claims for the problem. You just don't quite know when time will run out yet. But smart providers won't wait to find out. "Soon CMS will turn on the automated edits that will deny claims which do not meet these requirements," CMS says of ordering/referring physician PECOS enrollment. Good news: