title: The hidden cost of variability.
authors.forename: Mitchell
authors.initials: M
authors.lastname: Tsai
authors.forename: James D
authors.initials: JD
authors.lastname: Polk
mesh_terms: D003363:Cost Control; D003955:Diagnostic Tests, Routine; D017048:Health Care Costs; D006801:Humans; D013511:Minor Surgical Procedures / Q000191:economics; D010348:Patient Care Team; D057285:Precision Medicine / Q000191:economics; D011300:Preoperative Care / Q000191:economics* / Q000592:standards* / Q000639:trends; D019564:Unnecessary Procedures