Knee replacement cost in Chicago, IL — inpatient
In Chicago-Naperville-Elgin, IL-IN, 1 hospital lists a cash price for total knee replacement as an inpatient: from $21,558.39 to $21,558.39, with a median of $21,558.39. Across Illinois, the median is $5,408.00 at 11 hospitals.
Cash prices at 1 facility for code 27447, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between — and —.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Jackson Park Hospital Foundation Chicago, IL · (773) 947-7500 TOTAL KNEE ARTHROPLASTY | $21,558.39 | $26,947.99 | — | 20% | — source file |
Inpatient: lowest $21,558.39, median $21,558.39, highest $21,558.39.
As an outpatient, the same code is billed by 11 facilities here, median $15,623.03 — that is the price to compare if you are not being admitted.
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.