The field of study known as cardiac electrophysiology investigates the heart’s electrical characteristics and the processes that regulate its rhythm and conduction. Normal cardiac activity depends on regular heartbeats regulated by the heart’s electrical network.

The sinoatrial node acts as the heart’s natural pacemaker, generating electrical impulses that travel across the heart’s chambers on conducting tissues. Electrocardiograms (ECGs) record the heart’s electrical activity in cardiac electrophysiology. This information can then determine where and what kind of arrhythmia the patient has.

A catheterization-based electrophysiology study (EPS) is performed to trace the heart’s electrical function and determine the cause of an arrhythmia. When it comes to diagnosing and treating irregular heartbeats, cardiac electrophysiology is an essential subspecialty of cardiology.

The precise services provided for cardiac electrophysiology operations are identified and described using CPT codes, enabling appropriate invoicing and compensation for these treatments.

CPT Codes used in cardiac electrophysiology are described in detail below:

Standard Processes

Basic cardiac electrophysiological operations are denoted by the CPT codes listed below:

93610 – Analysis of Sinus Node Activity Using Electrophysiology

This code reports the sinus node’s evaluation, which initiates cardiac rhythm-regulating electrical impulses.

93612 – AV node electrophysiology assessment

This code is used to look at the AV node, which controls the flow of electrical impulses from the atrium to the ventricles.

93618 – Heart-programmed electrical stimulation (PES)

PES is a diagnostic test in which the patient is given electrical impulses to their heart to detect arrhythmias.


Advanced Methods

The following CPT codes reflect advanced processes in cardiac electrophysiology:

93619 – Recording of intracardiac electrophysiology

A cardiac electrogram records the heart’s electrical activity, made possible by inserting a catheter into a vein or artery.

93620 – Pacing and electro cardiac stimulation

This code is utilized to report the stimulation and pacing of the heart by using a catheter implanted through either a vein or an artery.

93621 – Intra-atrial monitoring

This code describes a catheter-inserted cardiac atrium recording.

93622 – IVC recording

This code records cardiac ventricular electrical activity using a catheter implanted through a vein or artery.

93623 – Rhythmic right ventricular pacing and programmed stimulation

This code is utilized when reporting PES with right ventricular pacing added to assess the heart’s reaction.

93624 – Programmable stimulation with the pacing of the left ventricle

This code should be reported when left ventricular pacing is used with PES to assess cardiac function.

Codes for E/M

  1. 99201-99205: New evaluation/management patient visits codes.
  2. 99211-99215: Establishing patient visit codes for assessment and management services

Codes for Device Evaluation

  1. 93285: Pacemaker/cardioverter-defibrillator evaluation.
  2. 93620: Assessment of a subcutaneously implanted cardioverter-defibrillator system.

Some frequently used CPT codes

93660 – ECG recording, scanner analysis, physician evaluation, and interpretation for up to 48 hours.

Continuous electrocardiogram (ECG) data monitoring and analysis for up to 48 hours is described using CPT code 93660. But this code also covers the scan analysis with a report and the evaluation and interpretation by a doctor.

93662 – In-person assessment of a dual-lead programming system

The examination of a dual-lead cardiac device, like a pacemaker or implantable cardioverter-defibrillator, is described by this CPT code (ICD). This process involves testing and programming the equipment to ensure it operates correctly.

93740 – Inducing or attempting to cause arrhythmia during an intracardiac electrophysiological recording

An improved method of intracardiac electrophysiological recording is denoted by the CPT code 93740. Inducing or attempting to cause an arrhythmia to obtain a diagnosis or treatment falls under this category.


The complex processes and diagnoses in cardiac electrophysiology must be appropriately captured and communicated via codes. Correct coding improves patient care, reimbursement, and research. To maintain conformity and accuracy, healthcare practitioners and coding specialists must stay current on coding principles and laws.

Similar Posts