The effect of the prospective payment system on hospital QA/UR systems.
D000720:Ancillary Services, Hospital / Q000706:statistics & numerical data; D006300:Health Services Misuse; D006801:Humans; D007902:Length of Stay; D010343:Patient Admission / Q000592:standards; D010351:Patient Discharge; D011445:Prospective Payment System; D011785:Quality Assurance, Health Care; D012051:Reimbursement Mechanisms; D014481:United States; D014600:Utilization Review