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Wearable electrocardiographic rhythm-derived monitoring, as described by CPT® Code 93231, involves the continuous recording of the heart's electrical activity over a 24-hour period. This procedure utilizes a specialized device, commonly referred to as a Holter monitor, which is worn by the patient during their normal daily activities. The process begins with the placement of electrodes or leads on the patient's chest, which are essential for capturing the electrical signals generated by the heart. The patient is then instructed on how to use the monitoring device effectively. Throughout the monitoring period, the device records original electrocardiographic (ECG) waveforms continuously, ensuring that a comprehensive dataset is collected. This data is typically stored on a magnetic tape or a digitized medium, allowing for later analysis. Upon completion of the monitoring period, the patient returns the device, and the stored data, which includes critical information such as heart rhythm, heart rate, ST segment analysis, heart rate variability, and T-wave alternans, is retrieved for evaluation. A miniaturized printout of the entire recording is generated, accompanied by a microprocessor-based analysis report that includes selective sampling of rhythm strips. This detailed information is crucial for physicians to review and interpret potential heart arrhythmias. It is important to note that while CPT® Code 93231 covers the recording aspect of the procedure, including the connection, recording, and disconnection of the device, other related codes exist for the complete procedure, microprocessor-based analysis, and physician interpretation, which should be reported separately as needed.
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