title: CY 2012 OPPS update.
authors.affiliation: AHIMA, USA. theresa.rihanek@ahima.org
authors.forename: Theresa
authors.initials: T
authors.lastname: Rihanek
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D010044:Outpatient Clinics, Hospital / Q000191:economics / Q000458:organization & administration; D011445:Prospective Payment System / Q000331:legislation & jurisprudence*; D014481:United States