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CPT 93461: Right and Left Heart Catheterization with Coronary and Bypass Graft Imaging
CPT code 93461 denotes a combined right and left heart catheterization procedure with coronary and bypass graft imaging used to evaluate cardiac function. This invasive diagnostic service is a key tool for assessing hemodynamics, coronary anatomy, and bypass graft patency in patients with suspected ischemic or structural cardiac disease. Nationally, use of this code reflects access to advanced catheterization laboratory services and informs utilization and quality measurement for invasive cardiac diagnostics.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for the procedure, common related procedural codes, and the payer set considered for benchmarking. The publication covers expected sites of service, typical clinical indications, and how this code interacts with related diagnostic and interventional codes in procedure groupings.
The content provides a practical reference for coding and billing teams, revenue cycle staff, and clinical leaders seeking to understand where 93461 fits within cardiac diagnostic workflows. Data not available in the input is noted where applicable. The focus is national in scope and addresses coding definition, service context, and the payer mix used for comparative discussion.
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Billing Code Overview
CPT code 93461 describes a combined right and left heart catheterization procedure that includes coronary and bypass graft imaging to evaluate cardiac function. The service involves diagnostic invasive hemodynamic assessment via right heart catheterization and coronary angiography with imaging of bypass grafts as needed. The typical site of service is an inpatient or outpatient cardiac catheterization laboratory or a hospital-based interventional suite where advanced cardiac imaging and invasive monitoring are performed.
National Reimbursement Benchmarks
National mean rates show Medicare at $918.8 versus BUCA’s average commercial mean of $3,379.7, indicating BUCA pays roughly $2,460.9 more on average than Medicare for CPT 93461. This gap highlights a meaningful split between the federal program and higher-paying commercial contracts; other commercial payers (Aetna, Blue Cross Blue Shield, Cigna, UnitedHealth Group) cluster between those endpoints with variable central tendency measures.
Dispersion measured by the interquartile range (P75–P25) is widest for Blue Cross Blue Shield at $4,861.3 and narrowest for Aetna at $808.5. UnitedHealth Group and Cigna show similar mid-to-high dispersion ($1,179.0 and $1,159.6 respectively), while BUCA’s IQR is $3,246.1 and Medicare’s IQR is $868.0, placing Medicare among the tighter distributions despite its lower mean.