title: Preauthorization, precertification and prenotification imposed by private insurance carriers: a big step in the wrong direction for patient care.
authors.forename: Roberto M
authors.initials: RM
authors.lastname: Lang
mesh_terms: D004452:Echocardiography / Q000191:economics*; D007343:Insurance Carriers / Q000191:economics*; D007349:Insurance, Health, Reimbursement / Q000191:economics*; D017149:Private Sector / Q000191:economics*; D014481:United States