25 (Significant separately identifiable evaluation and management service by the same physician on the day of the procedure) 52 (Reduced services) 53 (Discontinued procedure) 54 (Surgical care only) 55 (Postoperative management only) 56 (Preoperative management only) 59 (Distinct procedural service) 73 (Discontinued outpatient hospital/ambulatory surgery center procedure prior to the administration of anesthesia) 76 (Repeat procedure by same physician) As listed on a February 2010 memo from Horizon BCBS to participating providers