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Chapter 16

Chapter 16 Glossary

Add-on Codes Procedures commonly carried out in addition to the primary procedure performed. Add-on codes may not be reported alone, and are identified with a + sign
Anesthesiology Assistant A health professional who has completed accredited Anesthesia Assistant training program
Anesthesiologists A physician who is licensed to practice medicine and has completed an accredited anesthesiology program
Anesthesia Time Begins when the anesthesiologist (or anesthesia provider) begins to prepare the patients for induction of anesthesia provider) is no longer in personal attendance
Arterial Line A catheter inserted into an artery. It is used most commonly to measure real-time blood pressure and to obtain samples for arterial blood gas
Base Unit Value Value assigned to anesthesia codes for anesthetic management of surgery and diagnostic tests. Base unit values will vary depending on the difficulty of the surgery or diagnostic tests, and the management of anesthesia
Cardiopulmonary Bypass (CPB) A technique used during heart surgery to take over temporarily the function of the heart and lungs
Central Venous Catheter A catheter placed in a large vein such as the internal jugular, subclavian, or femoral vein with the tip of the catheter close to the atrium, or in the right atrium of the heart
Certified Registered Nurse Anesthetist (CRNA) A registered nurse who has completed an accredited nurse anesthesia program
Controlled Hypotension Technique used in general anesthesia to reduce blood pressure to control bleeding during surgery. Watch anesthesia record for notes regarding deliberate or controlled hypotension
Conversion Factor A unit multiplier used to convert anesthesia units into a dollar amount for anesthesia services. Conversion Factors are reviewed annually by CMS and vary geographically. Conversion Factors also may be negotiated with insurance companies
CVP (Central Venous Pressure) Direct measurement of the blood pressure in the right atrium and vena cava. CVP reflects the amount of blood returning to the heart and the ability of the heart to pump blood from the right heart into the pulmonary system
Emergency A delay in treatment would lead to significant increase to threat to life or body part
Flat Fee A flat fee is based on the physician fee schedule. Payments are made up under the Relative Value Unit, rather than by Conversion Factor. Time is not a consideration for payment. Examples are Arterial Lines, CV Line, emergency intubation, and Swan Ganz cat
General Anesthesia A Drug-Induced loss of consciousness during which patients cannot be aroused
Hypothermic Circulatory Arrest Implies a temperature of 20 degrees centigrade or less
Medical Direction Occurs when an anesthesiologist is involved in two, three, or four concurrent anesthesia procedures, or a single anesthesia procedure with a qualified anesthetist. CMS and other carries publish criteria to be met to report medical direction
Medical Supervision Occurs when an anesthesiologist is involved in five or more concurrent anesthesia procedures, or fails to meet required medical direction criteria
Monitored Anesthesia Care (MAC) Refers to a technique for many surgical procedures that do not require deep sedation or general anesthetic. Anesthesia provider must be prepared to convert to general anesthesia, if necessary
PAC- Pulmonary Artery Catheter (eg Swan Ganz) A flow directed catheter inserted into the pulmonary artery. PACs are used to measure pressures and flows within the cardiovascular system
Physical Status Modifier Modifier used to report the physical status assigned to each patient undergoing anesthesia. Patients are ranked by their individual heath status
Pump Oxygenator Term used when a cardiopulmonary bypass (CPB) machine is used to function as the heart and lungs during heart surgery
Qualifying Circumstances Circumstances significantly affecting the character of anesthesia service. These add-on procedures may be reported only with anesthesia codes. More than one may be reported, if applicable. Qualifying circumstances may not be reported separately when a cod
Regional Anesthesia Loss of sensation in a region of the bod, produced by application of an anesthetic agent
Relative Value Unit A unit to measure used to assign a value to services. It is determined by assigning weight to factors such as physician work, practice expense and malpractice expense
Resident (anesthesia resident) A physician who has completed his or her medical degree and entered a residency program specifically for anesthesiology training
SRNA (Student Registered Nurse Anesthetist) A registered nurse who is training in an accredited nurse anesthesia program
Surgical Field Avoidance Anesthesia provider avoids an area where the surgeon is working (usually on procedures around the head, neck or shoulder girdle)
Total Body Hypothermia Deliberate reduction of a patient's total body temperature, which reduces the general metabolism of the tissues. Evaluate the anesthesia record for notes regarding total body hypothermia. Generally, temperature is reduced 20 percent to 30 percent below pa
Created by: BBracha