Code: A0427Description: Ambulance service, advanced life support, emergency transport, level 1 (ALS 1 – emergency)Context: This Healthcare Common Procedure

Code: 99291Description: Critical care, evaluation and management of the critically ill or critically injured patient; first 30-74 minutesContext: This

Code: 99281Description: Emergency department visit for the evaluation and management of a patient, which requires a problem-focused history and