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CPT 94669 · Medicine/E&M · Evaluation & Management

Mechanical chest wall oscill

Mechanical chest wall oscillation therapy for airway clearance shows hospital outpatient departments charging 7.9x the Medicare benchmark of $25.85, making bill verification essential before treatment.

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 — Mechanical chest wall oscill
Medicare facility$26Non-facility$99Hospital outpatient$203$178 difference between lowest and highest rate
$26
Medicare facility rate
$99
Non-facility rate

Mechanical chest wall oscillation therapy uses a vest-like device that vibrates to help loosen mucus in patients with cystic fibrosis, bronchiectasis, or other respiratory conditions affecting mucus clearance. This therapy is typically prescribed for patients who need regular airway clearance but cannot perform manual chest physiotherapy effectively. Code 94669 requires documentation of the duration and medical necessity, as Medicare reimbursement varies significantly between home health settings versus outpatient facility billing.

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Compare by care setting
The same procedure costs different amounts depending on where you receive care.
$203
Hospital Outpatient rate for Mechanical chest wall oscill
Medicare facility benchmark: $26
Regional rate comparison — Mechanical chest wall oscill
Top 5 lowest and highest localities by Medicare facility rate
National avg $26REST OF ILLINOIS, IL$30DETROIT, MI$31QUEENS, NY$32MIAMI, FL$39CHICAGO, IL$37NYC SUBURBS/LONG ISLAND, NY$35

Facility rate

$26

National Medicare benchmark

Non-facility rate

$99

Office setting benchmark

Data sources

3

23 data points

Key insights for CPT 94669

Facility vs office setting

$73 difference

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)$26Lowest
Non-facility (office)$99+283%
Outpatient (APC)$203+687%

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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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