Chart Talk: Anesthesia Coding Conversations
Anesthesia Coding
Category: ASA Codes
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Hypothermic circulatory arrest (HCA) is one of the most complex and high-risk techniques used in cardiac and major vascular surgery. Because of its complexity—and its frequent confusion with hypothermia alone—it is also an area where anesthesia coding errors commonly occur.This post breaks down what HCA is, how it differs from hypothermia without arrest, and when ASA code 00563…