Knee Replacement Surgery Cost in Illinois
Total knee replacement (TKR) surgery replaces damaged knee joint surfaces with artificial components. In Illinois, knee replacement costs range from $18,000 to $52,000, making price comparison essential for this major procedure.
Illinois Price Range
By choosing the lowest-cost provider
What is a Knee Replacement?
Knee replacement surgery removes damaged cartilage and bone from your knee joint and replaces them with metal and plastic components. The surgery typically takes 1-2 hours, followed by physical therapy and recovery over several months.
Common Billing Codes (CPT/DRG)
Why Knee Replacement Prices Vary So Much
Knee replacement prices vary based on the implant type, hospital facility fees, surgeon fees, anesthesia, physical therapy, and length of hospital stay. Academic medical centers and specialized orthopedic hospitals often charge more but may offer better outcomes for complex cases.
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
Knee Replacement Prices at Illinois Hospitals
Compare actual knee replacement prices reported by hospitals. Prices shown are cash-pay/self-pay rates from hospital transparency files.
Payment Options Comparison
See how different payment methods affect your out-of-pocket cost
Cash/Self-Pay
Hospital list price
$24,183
Full price
- No insurance needed
- May qualify for discounts
With Insurance
Estimated negotiated rate
~$19,346
Save ~$4,837 vs cash
- Negotiated network rate
- Counts toward deductible
- Actual cost depends on plan
With HSA/FSA
Tax-free payment
$15,816
Save $8,367 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 $24,183 procedure.
No monthly fees. Invest your balance. FDIC insured.
Insurance Tips for Knee Replacement
Most insurance plans cover knee replacement when medically necessary. Expect to pay your deductible plus coinsurance (typically 20%). With a $52,000 procedure, 20% coinsurance equals $10,400, but your out-of-pocket maximum caps total costs.
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 Knee Replacement?
Knee replacement is typically recommended when conservative treatments (physical therapy, medications, injections) no longer relieve pain from severe arthritis. Most candidates are over 50, though younger patients with significant joint damage may also qualify.
Frequently Asked Questions
Related Procedures
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Price data sourced from hospital transparency files as required by the Hospital Price Transparency Rule. Last updated March 2026.