Administrators at facilities that perform general surgery have a few reasons to smile when they review Medicare's new ASC payment system. Laparoscopic cholecystectomy, the long-awaited and oft-lobbied-for procedure, finally joins the approved ASC list. The four-year transition to the fully implemented rates will also let centers turn a profit on some already approved procedures. If general surgery is a staple of your ASC, you'll want to review Medicare's payment system for new revenue opportunities. Here's a start.