© Copyright 2026 American Medical Association. All rights reserved.
The CPT® Code 0306T refers to the in-person interrogation device evaluation of an intracardiac ischemia monitoring system, which includes a comprehensive analysis, review, and report of the device's performance. This procedure is essential for patients who may not exhibit typical warning signs of cardiac ischemia, such as chest pain, shortness of breath, nausea, or diaphoresis. The intracardiac ischemia monitoring system is designed to continuously measure ST segment changes in real time, providing critical alerts to patients when a potential cardiac ischemic event occurs. By utilizing this monitoring system, the time between the onset of ischemia and the patient's arrival at the emergency room can be significantly reduced, potentially improving outcomes. The system consists of several components, including a programmable implantable monitoring device (IMD), a right ventricular lead wire, a lead wire adapter, an external alarm device (EXD), and a programming unit. The IMD is capable of storing vital event information, which can be downloaded for further analysis by the treating physician. Regular evaluations of the device are necessary to ensure it is functioning correctly and capturing accurate data. The interrogation process involves downloading the stored data, conducting a thorough review, and generating a written report that summarizes the findings, which is crucial for ongoing patient management and care.
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