Summary & Overview
HCPCS G8739: Left Ventricular Ejection Fraction ≥ 40% or Normal/Mildly Depressed
HCPCS Level II code G8739 indicates documentation that a patient’s left ventricular ejection fraction (LVEF) is ≥ 40% or that left ventricular systolic function is normal or mildly depressed. This clinical marker is commonly recorded after echocardiography or cardiology assessment and has implications for heart failure classification, medication decisions, and quality reporting nationally. The code provides a standardized way to capture preserved or only mildly reduced systolic function in administrative and clinical records.
Key payers evaluated include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The analysis addresses payer coverage practices and coding expectations for cardiology and imaging service lines.
Readers will learn: the clinical context for using G8739, typical sites of service where it is documented, common billing and documentation considerations, and where this code fits within heart failure quality measurement and administrative reporting. Data not available in the input will be noted where applicable. The content is intended to inform coding, billing, and clinical documentation teams about the purpose and use of HCPCS Level II code G8739 in national practice.
Billing Code Overview
HCPCS Level II code G8739 documents left ventricular ejection fraction (LVEF) ≥ 40% or explicit charted documentation that left ventricular systolic function is normal or mildly depressed. This code is used to record the presence of preserved or only mildly reduced left ventricular systolic function following clinical evaluation.
Service Type: Echocardiographic or cardiology assessment of left ventricular systolic function.
Typical Site of Service: Outpatient cardiology clinics, hospital-based cardiology departments, and imaging centers where echocardiography or cardiac imaging is performed.
Clinical & Coding Specifications
Clinical Context
A typical patient is a 68-year-old male with a history of ischemic heart disease and recent heart failure symptoms who undergoes transthoracic echocardiography (TTE) as part of a clinic-based heart failure follow-up. The study report documents left ventricular ejection fraction (LVEF) and systolic function, with the final interpretation noting LVEF >= 40% and either normal or only mildly depressed left ventricular systolic function. The clinical workflow begins with provider referral (cardiologist or primary care) for assessment of ventricular function, scheduling at an outpatient echocardiography lab, performance of a standard TTE with image acquisition and measurements (Simpson biplane or visual estimate), sonographer preliminary measurements, cardiologist over-read and formal report generation, and communication of results to the referring clinician for medication titration or ongoing management decisions. Typical sites of service include outpatient hospital-based echo labs, freestanding imaging centers, and cardiology clinic-based ultrasound suites. The most common patient scenario includes surveillance of chronic heart failure, evaluation after acute coronary syndrome or revascularization, and routine assessment when symptoms are stable or improving and LVEF is at or above 40%.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when billing only the interpreting physician's portion of the echocardiogram service. |