title: Showdown at PPS gap. OIG, hospitals at odds over outpatient formula's impact.
authors: E
authors: E
authors: Weissenstein
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D017721:Hospital Costs; D006801:Humans; D008485:Medical Audit; D006278:Medicare / Q000191:economics* / Q000458:organization & administration; D010044:Outpatient Clinics, Hospital / Q000191:economics*; D011445:Prospective Payment System; D014481:United States