RT Journal Article SR Electronic T1 Hospital Outpatient Prospective Payment System JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 616 OP 617 DO 10.3174/ajnr.A3050 VO 33 IS 4 A1 Anumula, N. A1 Sanelli, P.C. YR 2012 UL http://www.ajnr.org/content/33/4/616.abstract AB SUMMARY: A brief review of the Hospital Outpatient Prospective Payment System (HOPPS) is presented highlighting the program's legislative history, outpatient service classifications and payment plan. Specifically, HOPPS measures applicable to imaging practices are discussed. Resources are also provided for further information on the program requirements and the ambulatory payment classifications (APC) system. APCAmbulatory Payment ClassificationsCFconversion factorCMSCenters for Medicare and Medicaid ServicesDRGDiagnosis Related GroupsHOPPSHospital Outpatient Prospective Payment System