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Official Description

Electrophysiologic evaluation of subcutaneous implantable defibrillator (includes defibrillation threshold evaluation, induction of arrhythmia, evaluation of sensing for arrhythmia termination, and programming or reprogramming of sensing or therapeutic parameters)

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 0326T refers to the electrophysiologic evaluation of a subcutaneous implantable defibrillator (S-ICD). This procedure is essential for assessing the functionality and effectiveness of the S-ICD in detecting and responding to life-threatening arrhythmias. During this evaluation, several critical components are examined, including the defibrillation threshold, which determines the minimum energy required to successfully terminate a ventricular arrhythmia. Additionally, the procedure involves the induction of arrhythmia to test the device's response capabilities, ensuring that it can accurately sense and terminate abnormal heart rhythms. The evaluation also includes programming or reprogramming of the device's sensing and therapeutic parameters to optimize its performance. This comprehensive assessment is typically performed under monitored anesthesia care (MAC), allowing for patient comfort while ensuring safety throughout the procedure. The use of an external programming unit is crucial for testing the device's sensing and pacing parameters, as well as verifying the integrity of the connection between the electrode and the pulse generator. Overall, this procedure is vital for ensuring that the S-ICD is functioning correctly and is appropriately configured to provide effective therapy for patients at risk of life-threatening arrhythmias.

© Copyright 2026 Coding Ahead. All rights reserved.

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