Privilege Viewer - Privilege Detail - Autologous Chondrocyte Implantation Successful completion of an ACGME or AOA accredited residency training program in Orthopedic Surgery. In addition, the applicant must have completed a Genzyme advanced course in ACI that included proctored cases. Required Previous Experience - Demonstration of the performance of at least five ACI procedures as the primary surgeon in the past 12 months. Maintenance of Privileges - Demonstration of the maintenance of competence by evidence of the performance of at least 20 ACI procedures as the primary surgeon in the past 24 months.