Breadcrumb: Top Category: ( What's This?) -Education -Infection Prevention -Administration/Business Office Management Articles: ( What's This?) Ambulatory Surgery Center Resources Perioperative Excellence Program for Ambulatory Surgery CentersLet AORN help you create a collaborative team approach to creating practice excellence and access educational resources for your entire perioperative nursing team.The Perioperative Excellence Program, PEP, is membership in AORN for all your perioperative nursing staff.