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Medical Imaging

CT Scan Cost in Illinois

A CT (Computed Tomography) scan combines X-ray images from multiple angles to create cross-sectional views of your body. CT scan costs in Illinois range from $350 to $1,800 depending on the body part and facility.

49 Illinois hospitals compared
Updated December 2025
Compare CT Scan Prices

Illinois Price Range

Lowest Price$350
Median Price$850
Highest Price$1,800
Potential Savings$1,450

By choosing the lowest-cost provider

What is a CT Scan?

CT scans use rotating X-ray equipment to create detailed images of bones, blood vessels, and soft tissues. They're faster than MRI and often used for emergency situations. Common CT scans include head CT, chest CT, abdominal CT, and CT angiography.

Common Billing Codes (CPT/DRG)

70450704607047071250712607415074160

Why CT Scan Prices Vary So Much

CT prices depend on the scan location (head vs. full body), use of contrast dye, facility type, and insurance negotiations. Hospital outpatient departments typically charge 40-60% more than freestanding imaging centers for the same scan.

Lower-Cost Options

  • Community hospitals in suburbs
  • Freestanding imaging/surgery centers
  • Cash-pay discounts (20-40% off)

Higher-Cost Options

  • Academic medical centers (Northwestern, Rush)
  • Hospital outpatient departments
  • Out-of-network facilities

CT Scan Prices at Illinois Hospitals

Compare actual ct scan prices reported by hospitals. Prices shown are cash-pay/self-pay rates from hospital transparency files.

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Payment Options Comparison

See how different payment methods affect your out-of-pocket cost

Cash/Self-Pay

Hospital list price

$850

Full price

  • No insurance needed
  • May qualify for discounts

With Insurance

Estimated negotiated rate

~$680

Save ~$170 vs cash

  • Negotiated network rate
  • Counts toward deductible
  • Actual cost depends on plan
Best Value

With HSA/FSA

Tax-free payment

$556

Save $294 in taxes (~35%)

  • Pay with pre-tax dollars
  • Federal + State + FICA savings
  • Rolls over year to year

No monthly fees. FDIC insured.

HSA savings based on 22% federal + 4.95% IL state + 7.65% FICA tax rates. Actual savings vary by tax bracket.

Can I Afford This?

Check if your savings can cover this $850 procedure.

Procedure Cost$850
With HSA Tax Savings$556
$
Open an HSA to save $294 in taxes

No monthly fees. Invest your balance. FDIC insured.

Insurance Tips for CT Scan

CT scans are usually covered when medically necessary. Emergency CT scans may be covered differently than scheduled scans. Check if your plan requires using in-network facilities, as out-of-network CT scans can cost 2-3x more.

Before Scheduling, Ask:

  • 1.Is this facility in my insurance network?
  • 2.Does this procedure require prior authorization?
  • 3.What is my out-of-pocket cost after deductible?
  • 4.Is there a cash-pay discount if I pay upfront?

When Do You Need a CT Scan?

Doctors order CT scans to detect cancer, evaluate injuries from accidents, diagnose internal bleeding, guide biopsies, and monitor treatment progress. CT is preferred when fast, detailed imaging of bones and acute conditions is needed.

Frequently Asked Questions

The average CT scan cost in Illinois is around $850, but prices range from $350 at community hospitals to $1,800 at academic medical centers. The specific body part and use of contrast dye also affect pricing.

Related Procedures

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Price data sourced from hospital transparency files as required by the Hospital Price Transparency Rule. Last updated December 2025.

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