Summary & Overview
HCPCS G8934: Left Ventricular Ejection Fraction ≤40% or Moderately/Severely Depressed LV Function
HCPCS Level II code G8934 documents a current or prior left ventricular ejection fraction (LVEF) ≤40% or notation of moderately to severely depressed left ventricular systolic function. Nationally, this designation is clinically important for identifying patients with reduced systolic function who may require guideline-directed heart failure management, device evaluation, or specialty care coordination. It also informs severity risk stratification used in quality measurement and care pathways.
Key payers covered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical meaning of G8934, typical sites of service where the code is used, and the role the code plays in documentation and coding workflows. The publication summarizes benchmarking context where available, notes common modifiers associated with cardiac service billing, and outlines policy or coverage considerations that commonly affect claims with this code.
This summary presents the clinical and administrative context for G8934 at a national level, helping clinicians, coders, and administrators understand when the code applies and what elements of documentation are central to its use. Data not available in the input will be noted where applicable.
Billing Code Overview
HCPCS Level II code G8934 indicates documentation of a current or prior left ventricular ejection fraction (LVEF) ≤40% or documentation of moderately or severely depressed left ventricular systolic function. This code captures a clinical assessment of systolic heart failure severity rather than a specific procedure.
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Service type: Clinical diagnostic assessment of cardiac systolic function
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Typical site of service: Cardiology clinics, outpatient specialty practices, hospital outpatient departments, and any clinical setting where cardiac function evaluation and documentation occur
Clinical & Coding Specifications
Clinical Context
A 68-year-old male with a history of ischemic cardiomyopathy and prior anterior myocardial infarction is seen in cardiology clinic for heart failure management. The patient reports worsening exertional dyspnea and orthopnea. Review of prior echocardiogram and recent hospital records documents a left ventricular ejection fraction of 35%. The clinician documents current or prior left ventricular ejection fraction <=40% and notes moderately depressed left ventricular systolic function. The workflow includes review of prior imaging (transthoracic echocardiogram or cardiac MRI), documentation of LVEF and systolic function in the medical record, consideration of guideline-directed medical therapy adjustments, and evaluation for device therapy candidacy (e.g., implantable cardioverter-defibrillator or cardiac resynchronization therapy) or advanced heart failure referral. Billing for the LVEF documentation uses G8934 to capture the presence of current or prior LVEF <=40% or documentation of moderately or severely depressed LV systolic function. Typical sites of service include outpatient cardiology clinics, heart failure specialty clinics, and inpatient cardiology wards where evaluation and documentation occur.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 |