Nailing down pre-op clearance exams.
D039702:Current Procedural Terminology; D003955:Diagnostic Tests, Routine / Q000191:economics*; D017598:Efficiency, Organizational; D006801:Humans; D007349:Insurance, Health, Reimbursement; D006278:Medicare; D011216:Practice Management, Medical / Q000191:economics*; D011300:Preoperative Care / Q000191:economics*; D014481:United States