title: National BC/BS issues hard-hitting ambulatory surgery guidelines.
mesh_terms: D000556:Ambulatory Surgical Procedures / Q000191:economics*; D054598:Blue Cross Blue Shield Insurance Plans / Q000592:standards*; D007342:Insurance Benefits; D007350:Insurance, Hospitalization / Q000592:standards*; D007357:Insurance, Physician Services / Q000592:standards*; D007359:Insurance, Surgical; D014481:United States