CPT® Code 0521T

1. Indications

The interrogation device evaluation is indicated for patients undergoing cardiac resynchronization therapy (CRT) who require assessment of the efficacy of their wireless cardiac stimulator for left ventricular pacing. This procedure is performed to ensure that the device is functioning optimally and to evaluate the heart's response to the pacing interventions.

• Assessment of CRT Efficacy This evaluation is crucial for determining how well the cardiac resynchronization therapy is working for the patient.
• Monitoring Cardiac Events The procedure allows for the analysis of cardiac events that have triggered pacing, providing insights into the patient's heart function.
• Device Functionality Check It ensures that the wireless cardiac stimulator is operating correctly and that the programmed parameters are appropriate for the patient's needs.

2. Procedure

The procedure for the interrogation device evaluation involves several key steps that ensure a thorough assessment of the cardiac stimulator's performance.

• Step 1: Connection The first step involves the wireless connection of the cardiac stimulator to a computer system. This connection is essential for downloading the stored data from the device, which contains information about the patient's cardiac events and pacing history.
• Step 2: Recording Once connected, the device records relevant data during the evaluation. This data includes information on how the heart has responded to pacing and any significant cardiac events that have occurred since the last evaluation.
• Step 3: Data Download After recording, the data is downloaded into a specialized software program. This software is designed to analyze the cardiac events and assess the effectiveness of the current programmed parameters of the cardiac stimulator.
• Step 4: Analysis and Review The downloaded data is then analyzed by the software, which evaluates the heart's response to the pacing interventions. A qualified professional reviews this analysis to determine if the device is functioning as intended.
• Step 5: Disconnection After the analysis is complete, the device is disconnected from the computer. This step concludes the in-person evaluation process.
• Step 6: Reporting Finally, a detailed report is generated based on the analysis and review. This report may indicate whether any programming changes to the device are necessary to optimize the patient's treatment.

3. Post-Procedure

Post-procedure care following the interrogation device evaluation typically involves monitoring the patient for any immediate reactions to the evaluation. Patients may be advised to follow up with their healthcare provider to discuss the findings of the report and any recommended changes to their device programming. It is important for patients to understand the results of the evaluation and how it may impact their ongoing treatment plan. Additionally, any necessary adjustments to the device settings will be made based on the analysis to ensure optimal pacing and heart function.