CPT® Code 0327T

Deleted

1. Indications

The interrogation of an implantable subcutaneous lead defibrillator system is indicated for patients presenting with specific symptoms or conditions that may suggest device malfunction or changes in cardiac function. These indications include:

• Symptoms of Device Malfunction Patients may exhibit signs that the defibrillator is not functioning as intended, which necessitates an evaluation to ensure proper operation.
• Changes in Cardiac Function Any alterations in the patient's cardiac status, such as new or worsening arrhythmias, may prompt an interrogation to assess the device's performance and response.

2. Procedure

The procedure for interrogating an implantable subcutaneous lead defibrillator system involves several critical steps to ensure a thorough evaluation of the device's functionality. These steps include:

• Connection to ECG Monitor The patient is first connected to an electrocardiogram (ECG) monitor, which is essential for real-time monitoring of the heart's electrical activity during the interrogation process.
• Establishment of Connection A connection is then established between the defibrillator system and the interrogation device. This step is crucial for enabling data transmission from the defibrillator to the interrogator.
• Data Transmission Once the connection is established, data is transmitted from the defibrillator to the interrogation device. This data includes information related to the device's function and the current programmed parameters.
• Review of ECG Recordings The electrophysiologist reviews the ECG recordings for evidence of arrhythmias, which are abnormal heart rhythms that may indicate issues with the device or the patient's cardiac health.
• Comparison of Data Current data obtained from the interrogation is compared with previous data acquisitions. This comparison helps identify any changes in the patient's condition or device performance over time.
• Assessment of Events The number and duration of events such as arrhythmias, ectopic beats, and mode switch episodes are reviewed to evaluate the device's effectiveness and the patient's cardiac status.
• Evaluation of Physiological Responses Exercise and physiological stress data are assessed, and heart rate adaptations are noted to understand how the device responds to different physical conditions.
• Device Function Assessment The device is evaluated for appropriate sensing and capture of cardiac rhythm, ensuring that it can detect and respond to arrhythmias effectively.
• Review of Alerts Any alerts generated by the device during the interrogation are reviewed to identify potential issues that may require further attention.
• Communication of Findings Finally, the patient is informed of the findings from the interrogation, and a written report summarizing the evaluation results is provided for their records.

3. Post-Procedure

After the interrogation procedure, the patient may be advised on any necessary follow-up actions based on the findings. This may include further monitoring, adjustments to the device settings, or additional evaluations if any issues were identified during the interrogation. The written report provided to the patient serves as a comprehensive summary of the device's performance and any recommendations for ongoing care or management of their cardiac health.