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CPT 78452: Cardiac Perfusion SPECT, Multiple Studies
CPT code 78452 represents multiple SPECT (single-photon emission computed tomography) studies of the heart performed to identify regions of deficient myocardial blood flow. As a diagnostic nuclear cardiology procedure, it supports clinical decision-making for ischemic heart disease, myocardial infarction assessment, and heart failure management. Nationally, utilization of myocardial perfusion imaging affects care pathways, downstream testing, and resource allocation in cardiology and imaging services.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines payer coverage considerations, common clinical pairings, and coding context relevant to nuclear cardiology services.
Readers will find a concise overview of coding intent and clinical indications, typical sites of service, and common clinical pairings used alongside perfusion imaging. The report summarizes benchmarking context and policy considerations that influence medical necessity determinations, prior authorization trends, and billing practice. Where available, guidance is provided on expected clinical scenarios in which 78452 is reported and how it interacts with adjacent cardiovascular diagnostic services. Data not available in the input will be noted explicitly where relevant.
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Billing Code Overview
CPT code 78452 describes a nuclear cardiology procedure using multiple SPECT studies to assess myocardial perfusion and identify areas of deficient blood flow. The service is a diagnostic cardiac perfusion imaging study intended to evaluate regional blood supply to the heart muscle. The typical site of service is an outpatient imaging center, hospital radiology/nuclear medicine department, or dedicated cardiology imaging suite where SPECT nuclear medicine studies are performed.
National Reimbursement Benchmarks
Commercial averages substantially exceed Medicare for CPT 78452: BUCA’s mean commercial rate of $1,124.70 is roughly 3.8 times higher than Medicare’s mean of $297.80, highlighting a sizable premium in the commercial market versus the federal baseline. Blue Cross Blue Shield and UnitedHealth Group also show notably higher mean rates ($1,659.30 and $470.40 respectively) while Cigna and Aetna sit between those poles. This positions Medicare near the lower end of national averages and BUCA near the upper end of commercial pricing for this code.
Rate dispersion (P75 minus P25) varies markedly by payer. Blue Cross Blue Shield has the widest interquartile spread at $759.30, reflecting the greatest pricing variability among commercial payers, followed by UnitedHealth Group at $430.50. Cigna’s spread is $500.10 and BUCA’s interquartile range is $625.00, while Aetna is the tightest at $352.00. Medicare’s IQR is $346.00, indicating relatively moderate locality-driven variation compared with several commercial payers.