As anesthesiologists assume a broader role in perioperative care, there may be other opportunities to bill for clinical services beyond those included in the anesthesia codes. Coding and documentation requirements related to these services are different than the traditional anesthesia billing requirements which include routine pre-, intra- and postoperative management.This article describes the clinical services that might be billed using evaluation and management (E&M) codes and the requirements for billing for transitional care management related to services provided to patients when the services are provided to patients during the 30-day period following discharge from a hospital admission, observational status or nursing home