Total knee replacement in Chicago-Naperville-Elgin, IL-IN
In Chicago-Naperville-Elgin, IL-IN, 3 hospitals list a cash price for Total knee replacement: from $1,565.55 to $13,690.00, with a median of $13,690.00. The lowest listed price is at Humboldt Park Health.
Cash prices at 3 facilities across 3 cities for code 27447, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 22, 2026; the hospital files themselves were last updated between Aug 24, 2026 and Sep 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Chicago-Naperville-Elgin, IL-IN.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Humboldt Park Health lowest North Francisco Chicago, IL Replacement of knee joint, both sides of knee | $1,565.55 | $5,591.25 | 72% | Aug 24, 2026 source file |
| Mercy Medical Center Aurora, IL Total knee arthroplasty | $13,690.00 | $48,304.00 | 72% | Sep 1, 2026 source file |
| Saint Francis Hospital Evanston, IL Total knee arthroplasty | $13,690.00 | $40,674.00 | 66% | Sep 1, 2026 source file |
Outpatient: lowest $1,565.55, median $13,690.00, highest $13,690.00 — a 8.7× difference within the same market.
What it is
A total knee replacement removes worn cartilage and bone from the knee and replaces the joint surfaces with metal and plastic parts. It is most often done for severe knee arthritis that limits walking and daily life.
What the price covers
The hospital price usually covers the operating room, implants and hospital stay. The surgeon, anesthesiologist and outpatient physical therapy are often billed separately unless the price is a bundled package.