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CPT 93454 · Medicine/E&M · Evaluation & Management

Coronary artery angio s&i

Coronary artery angiography costs range from $882 Medicare facility rate to $3,216 hospital outpatient rate, creating a potential difference of $2,334 depending on care setting that demands immediate bill verification.

By Kevin Nyk , Medical Billing Analyst · ·
Data from CMS files published FY 2024 CMS IPPS. Refreshed weekly.
About the analyst

Kevin Nyk analyzes hospital pricing data at BillRazor Research. He specializes in Medicare reimbursement patterns and chargemaster pricing across U.S. hospitals. Expertise: hospital pricing, Medicare rates, chargemaster analysis.

Medicare + CMS benchmark data
Publicly available pricing
Updated 2026-04-03
Rate comparison — Coronary artery angio s&i
Non-facility$99Medicare facility$882ASC rate$1.7KHospital outpatient$3.2K$3.1K difference between lowest and highest rate
$882
Medicare facility rate
$99
Non-facility rate
$1,656
ASC rate
$1,561
ASC vs hospital gap

Coronary artery angiography using code 93454 involves threading a thin catheter through blood vessels to inject contrast dye and create X-ray images of the heart's arteries, typically performed on patients with suspected coronary artery disease or chest pain. This diagnostic procedure charges approximately 14.0x the Medicare reimbursement rate, with potential cost differences of $3,633 depending on whether it's performed in a hospital outpatient department versus an ambulatory surgical center.

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The $1,561 gap between ASC and hospital outpatient for Coronary artery angio s&i is one of the most common billing discrepancies we identify.
Compare by care setting
The same procedure costs different amounts depending on where you receive care.
$3,216
Hospital Outpatient rate for Coronary artery angio s&i
Medicare facility benchmark: $882
Regional rate comparison — Coronary artery angio s&i
Top 5 lowest and highest localities by Medicare facility rate
National avg $882REST OF ILLINOIS, IL$1,019DETROIT, MI$1,073QUEENS, NY$1,084MIAMI, FL$1,342CHICAGO, IL$1,267NYC SUBURBS/LONG ISLAND, NY$1,209

Facility rate

$882

National Medicare benchmark

Non-facility rate

$99

Office setting benchmark

Data sources

4

24 data points

Key insights for CPT 93454

ASC vs hospital outpatient savings

$1,561

Having this done at an ambulatory surgery center costs $1,656 vs $3,216 at a hospital outpatient

Facility vs office setting

$783 difference

Non-facility setting is less expensive for this procedure

What this procedure costs across different settings

The same procedure can cost very different amounts depending on where it's performed. These are the Medicare-allowed amounts — what hospitals actually charge can be 3-10x higher.

SettingMedicare ratevs lowest
Facility (physician office)$882+791%
Non-facility (office)$99Lowest
Outpatient (APC)$3,216+3149%
Ambulatory surgery (ASC)$1,656+1572%

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About this data

Rates shown are from the 2026 Medicare Physician Fee Schedule, Hospital Outpatient Prospective Payment System (OPPS), Ambulatory Surgery Center Payment System, Clinical Laboratory Fee Schedule, Durable Medical Equipment Fee Schedule, and CMS Inpatient Prospective Payment System (DRG weights). Regional adjustments use CMS Geographic Practice Cost Indices (GPCI). Hospital charges are from CMS Hospital Price Transparency machine-readable files. All data is publicly available under federal law (45 CFR Part 180).

This data is for informational purposes only and does not constitute medical or financial advice. Actual costs depend on insurance coverage, negotiated rates, and individual circumstances.

Related procedures

Rates shown are from the 2026 Medicare Physician Fee Schedule and CMS IPPS. BillRazor compares your bill against these data sources. See how it works →

Related pricing data

Data: Medicare Physician Fee Schedule, CMS Inpatient PPS (IPPS), Outpatient PPS (OPPS), ASC Payment System, Clinical Lab Fee Schedule (CLFS), National Average Drug Acquisition Cost (NADAC). FY 2024 data. All publicly available from CMS.

Methodology: Facility rate applies when the procedure is performed in a hospital or ASC. Non-facility rate applies in a physician office. GPCI adjustments reflect regional cost-of-living differences.

This information is for educational purposes only and is not medical, financial, or legal advice. Actual costs depend on your insurance and provider. We recommend verifying costs directly with your provider. Full methodology · Terms of use

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