title: A refresher on medical necessity.
authors.forename: Peter R
authors.initials: PR
authors.lastname: Jensen
mesh_terms: D005194:Family Practice; D006801:Humans; D038801:International Classification of Diseases; D006278:Medicare / Q000191:economics*; D010808:Physical Examination / Q000379:methods*; D014481:United States; D019564:Unnecessary Procedures / Q000191:economics*