Summary & Overview
HCPCS C1764: Implantable Cardiac Event Recorder
HCPCS Level II code C1764 designates an implantable cardiac event recorder, a small device placed subcutaneously to monitor and record cardiac rhythm disturbances over prolonged periods. Implantable event recorders are clinically important for diagnosing intermittent arrhythmias, unexplained syncope, and cryptogenic stroke workups, and they influence downstream care decisions such as anticoagulation or device therapy. Nationally, billing for implantable cardiac monitors affects utilization patterns and device management costs across commercial and public payers.
This analysis covers common commercial and public payers, including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of code definition and clinical context, typical sites of service, common billing modifiers and their purpose, and a summary of payer coverage considerations. The publication also summarizes available benchmarks where present, notes policy and reimbursement trends that affect use of implantable event recorders, and outlines common documentation and coding considerations relevant to claims submission.
Intended for billing professionals, clinicians, and policy analysts, the report provides concise guidance on what C1764 represents, which settings it applies to, and which payer populations are relevant. Data not available in the input will be explicitly noted in applicable sections.
Billing Code Overview
HCPCS Level II code C1764 describes an event recorder, cardiac (implantable). This device is an implanted cardiac event recorder used for continuous or intermittent monitoring of cardiac rhythm events over an extended period. The service type is implantable cardiac monitoring device provision and management. The typical site of service is an inpatient or outpatient surgical setting or ambulatory surgery center where device implantation and related procedural care are performed. Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult referred by cardiology or primary care for implantation of an event recorder due to intermittent, unexplained palpitations, syncope, near‑syncope, or suspected paroxysmal arrhythmia not captured by ambulatory monitoring. The patient often has a history of episodic lightheadedness, documented but infrequent palpitations, or transient loss of consciousness where outpatient rhythm correlation is needed. Pre‑procedure evaluation includes history and physical, ECG, review of anticoagulation and infection risk, basic labs as indicated, and informed consent. The procedure is performed in an outpatient electrophysiology clinic or ambulatory surgical center under local anesthesia with conscious sedation available. The implantable cardiac event recorder (C1764) is placed subcutaneously in the left parasternal/subclavian region through a small incision; device programming and patient education on activation and symptom reporting are completed prior to discharge. Post‑implant follow‑up includes wound check, remote device transmissions review, and device explant or replacement when clinically indicated.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when work required is substantially greater than usual for implantation due to complexity (document justification). |