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CPT 11423 · Surgery · Skin & Subcutaneous

Exc h-f-nk-sp b9+marg 2.1-3

Hospital outpatient departments charge up to 12.9x the Medicare benchmark of $144.34 for benign skin lesion removal on the head, face, neck, or genital area, making bill verification essential before your procedure.

By David Park , Healthcare Cost Researcher · ·
Data from CMS files published FY 2024 CMS IPPS. Refreshed weekly.
About the analyst

David Park researches procedure pricing and insurance reimbursement patterns at BillRazor Research. He specializes in cost comparison across care settings and metropolitan areas. Expertise: procedure pricing, insurance reimbursement, cost comparison.

Medicare + CMS benchmark data
Publicly available pricing
Updated 2026-04-03
Rate comparison — Exc h-f-nk-sp b9+marg 2.1-3
Non-facility$99ASC rate$125Medicare facility$144Hospital outpatient$1.6K$1.5K difference between lowest and highest rate
$144
Medicare facility rate
$99
Non-facility rate
$125
ASC rate
$1,495
ASC vs hospital gap

This procedure removes benign (non-cancerous) skin lesions measuring 2.1 to 3.0 centimeters from the head, face, neck, scalp, or genital areas, including a margin of healthy tissue around the growth. Patients typically receive this treatment for large moles, cysts, or other skin growths that pose cosmetic concerns or irritation. Code 11423 charges vary significantly across facilities, with potential differences of $2,400 depending on care setting.

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The $1,495 gap between ASC and hospital outpatient for Exc h-f-nk-sp b9+marg 2.1-3 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.
$1,620
Hospital Outpatient rate for Exc h-f-nk-sp b9+marg 2.1-3
Medicare facility benchmark: $144
Regional rate comparison — Exc h-f-nk-sp b9+marg 2.1-3
Top 5 lowest and highest localities by Medicare facility rate
National avg $144REST OF ILLINOIS, IL$167DETROIT, MI$176QUEENS, NY$177MIAMI, FL$220CHICAGO, IL$207NYC SUBURBS/LONG ISLAND, NY$198

Facility rate

$144

National Medicare benchmark

Non-facility rate

$99

Office setting benchmark

Data sources

4

24 data points

Key insights for CPT 11423

ASC vs hospital outpatient savings

$1,495

Having this done at an ambulatory surgery center costs $125 vs $1,620 at a hospital outpatient

Facility vs office setting

$45 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)$144+46%
Non-facility (office)$99Lowest
Outpatient (APC)$1,620+1537%
Ambulatory surgery (ASC)$125+26%

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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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