George A. Sample, MD, is a senior attending in critical care at Washington Hospital Center in Washington, DC. He discusses current and emerging topics in coding and billing, including the end of consultation codes for Medicare patients and the future of consults for non-Medicare patients. He addresses the complexities of 24/7 coverage and time-based billing in critical care while reviewing highlights of the Coding and Billing for Critical Care: Practice Tool, Fourth Edition, including new chapters on ultrasound, echocardiography and consultation.