title: Update on ambulatory payment classifications.
authors.forename: W J
authors.initials: WJ
authors.lastname: Smith
mesh_terms: D000553:Ambulatory Care / Q000145:classification* / Q000191:economics; D014487:Centers for Medicare and Medicaid Services, U.S.; D006801:Humans; D009683:Nuclear Medicine / Q000191:economics*; D019275:Radiopharmaceuticals / Q000191:economics; D012051:Reimbursement Mechanisms; D014481:United States
chemical_list: D019275:Radiopharmaceuticals