Certified Surgical Technologist (CST), 1. credential offered by the National Board of Surgical Technology and Surgical Assisting. 2. an allied health professional who as a member of the surgical team is responsible for providing an optimal surgical environment by performing perioperative duties, including preparing the operating room; gathering necessary equipment and supplies; opening sterile supplies; preparing the sterile field including the back table and Mayo stand set-ups; performing counts; assisting in applying sterile drapes; anticipating the needs of the surgeon during the procedure; passing instrumentation and supplies to the surgeon; caring for specimens; applying sterile dressings; and preparing the O.R. for the next procedure. CSTs are experts in aseptic technique and constantly ensure that all members of the surgical team adhere to the principles of aseptic technique.
