Diagnosis-related groups: tool for management.
D003365:Costs and Cost Analysis; D003933:Diagnosis; D006739:Hospital Administration; D006761:Hospitals / Q000706:statistics & numerical data*; D007902:Length of Stay; D010361:Patients / Q000145:classification; D011366:Professional Review Organizations; D012051:Reimbursement Mechanisms; D014481:United States