CPT® Code 43458

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The procedure described by CPT® Code 43458 involves the dilation of the esophagus using a balloon that has a diameter of 30 mm or larger, specifically aimed at treating achalasia. Achalasia is a disorder characterized by the inability of the esophageal sphincter muscles to relax, which leads to a blockage that prevents food and liquids from passing into the stomach. This condition can cause significant discomfort and difficulty swallowing. During the procedure, a balloon catheter is introduced through the mouth and navigated into the esophagus. Once in place, the balloon is inflated to widen the esophagus, thereby alleviating the obstruction caused by the spasming sphincter muscles. The inflation of the balloon is typically maintained for a brief duration, ranging from 30 seconds to 2 minutes, before it is deflated and removed. This intervention is performed under fluoroscopic guidance, which is a real-time imaging technique that allows the physician to visualize the esophagus and ensure proper placement and effectiveness of the dilation. The goal of this procedure is to improve the patient's ability to swallow and enhance their quality of life by relieving the symptoms associated with achalasia.