The Competency & Credentialing Institute (CCI) has been the leader in perioperative certification for more than 40 years, certifying over 40,000 nurses internationally. An industry leader in nursing competency assessment, CCI is the credentialing body for the Certified Perioperative Nurse (CNOR), Certified Surgical Services Manager (CSSM), Certified Perioperative CNS (CNS-CP), and Certified Ambulatory Surgery Nurse (CNAMB) credentials.