I am an award-winning journalist and a New York Times best selling author. My latest book is Newton's Football: The Science Behind America's Game, published by Ballantine in November 2013. My other books include The Billion Dollar Game: Behind the Scenes at the Super Bowl and Clapton's Guitar: Watching Wayne Henderson Build the Perfect Instrument.
Note: Do not use these HCPCS modiï¬ers if the provider of service is a Qualiï¬ ed Nonphysician Anesthetist. 1  or AA. â¢ AA : Anesthesia service personally performed by the anesthesiologist. â¢ QY: Medical direction of one Qualiï¬ed Nonphysician Anesthetist by an anesthesiologist.
Certified registered nurse anesthetists are able to administer anesthesia during a surgical procedure, but usually work under the supervision of an anesthesiologist. Types of Anesthesia. There are three main types of anesthesia: local, regional, and general. The type of anesthesia used for a surgical procedure is determined by several factors: 1  Type and length of the surgery. 2  Patient health. 3  Preference of the patient and physician.