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Official Description

Interrogation device evaluation implanted neurostimulator pulse generator system for central sleep apnea

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 0434T refers to the interrogation and programming device evaluation of an implanted neurostimulator pulse generator system specifically designed for the treatment of central sleep apnea. This procedure involves a comprehensive assessment of the neurostimulator's functionality and effectiveness in delivering hypoglossal nerve stimulation, which is crucial for maintaining airway patency during sleep. The evaluation typically occurs approximately one month after the surgical implantation of the device, allowing for initial healing and adjustment to the neurostimulator system. During this evaluation, the clinician utilizes a programming device to measure the patient's breathing patterns and to program the neurostimulator to activate during the inspiratory phase of respiration, which is when the airway is most susceptible to collapse. The programming process includes setting specific parameters such as the upper and lower limits of pulse stimulation, the rate of stimulation, and the duration of each stimulation pulse. Additionally, the patient receives instructions on how to use a home remote device, which allows them to adjust the intensity of the stimulation pulses within the parameters established by the physician. This ensures that the patient can manage their treatment effectively at home. Furthermore, the procedure may involve programming adjustments during a sleep study encounter to optimize the device's performance, including fine-tuning rate and amplitude parameters, pulse duration, waveform configuration, cycling, and output. Overall, the interrogation of the neurostimulator system is essential for assessing various factors such as stimulation pulse rate, amplitude, duration, intensity, battery status, electrode functionality, output, cycling, impedance, and patient compliance, ensuring the device operates effectively for the patient's needs.

© Copyright 2026 Coding Ahead. All rights reserved.

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