Summary & Overview
CPT 93602: Intracardiac Atrial Electrogram Recording
CPT code 93602 represents intracardiac recording of the electrical activity that controls the heartbeat from within an atrium. This electrophysiology procedure is used to characterize atrial rhythm, conduction properties, and arrhythmogenic foci, informing diagnostic and procedural decision-making for atrial tachyarrhythmias and other conduction disorders. Nationally, accurate reporting of CPT code 93602 supports clinical documentation, resource use assessment, and payment integrity across hospital and outpatient electrophysiology settings.
Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context and typical sites of service, common modifiers and billing considerations where available, and a summary of what is known about payer coverage patterns and coding relationships. The publication outlines benchmarks and operational implications for electrophysiology services, highlights relevant policy considerations that affect coding and reimbursement nationally, and provides practical reference material for revenue cycle and clinical teams.
Data not provided in the input for associated taxonomies, specific ICD-10 pairings, and related codes is noted as unavailable.
Billing Code Overview
CPT code 93602 documents the recording of the heart's electrical activity from within one of the upper chambers (atria). This procedure captures intracardiac electrograms to evaluate the electrical signals that regulate atrial rhythm and conduction.
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Service type: Intracardiac atrial electrogram recording
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Typical site of service: Cardiac electrophysiology laboratory or hospital-based cardiac catheterization/EP suite
Clinical & Coding Specifications
Clinical Context
A 68-year-old male with a history of symptomatic paroxysmal atrial fibrillation presents to the electrophysiology lab for an intracardiac electrophysiology (EP) study. The patient experiences recurrent palpitations, presyncope, and documented supraventricular tachycardia on outpatient monitoring. After informed consent, conscious sedation is administered and vascular access is obtained via the right femoral vein. A diagnostic multipolar catheter is advanced under fluoroscopic guidance into the right atrium and then positioned within the coronary sinus and the right atrial appendage to record intracardiac atrial electrograms. The procedure documents atrial activation sequences, identifies atrial ectopy and conduction properties, and helps localize the arrhythmogenic focus within an upper chamber. Data are recorded for interpretation by the electrophysiologist and for planning a potential ablation in the same session or a subsequent procedure.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when only the physician professional interpretation is billed separate from technical equipment charges. |
TC | Technical component |