Partial knee replacement cost in Illinois
In Illinois, 6 hospitals publish a cash price for partial knee replacement (one compartment): from $1,114.85 to $13,690.00, with a median of $1,809.50. The lowest price is at Humboldt Park Health (Chicago). The highest price is 12.3× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 27446. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.
Hospitals in Illinois, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Humboldt Park Health lowest Chicago · Chicago-Naperville-Elgin, IL-IN Replacement of knee joint on side of knee | $1,114.85 | $3,981.60 | Aug 24, 2026 source file |
| Deaconess Illinois Crossroads Mount Vernon · Mount Vernon, IL PR ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT | $1,809.50 | $5,170.00 | Feb 3, 2026 source file |
| Deaconess Illinois Union County Hospital Anna · Anna, IL PR ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT | $1,809.50 | $5,170.00 | Feb 3, 2026 source file |
| Heartland Regional Medical Center Marion · Marion-Herrin, IL PR ARTHRP KNEE CONDYLE&PLATEAU MEDIAL/LAT CMPRT | $1,809.50 | $5,170.00 | Feb 3, 2026 source file |
| Trinity Medical Center Rock Island · Davenport-Moline-Rock Island, IA-IL PR PLASTY KNEE,MED OR LAT COMPARTMT | $2,852.00 | $3,565.00 | Jan 28, 2026 source file |
| Saint Francis Hospital Evanston · Chicago-Naperville-Elgin, IL-IN Revision of knee joint | $13,690.00 | $36,555.00 | Sep 1, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Chicago-Naperville-Elgin, IL-IN | 2 | $1,114.85 | $7,402.42 |
| Anna, IL | 1 | $1,809.50 | $1,809.50 |
| Davenport-Moline-Rock Island, IA-IL | 1 | $2,852.00 | $2,852.00 |
| Marion-Herrin, IL | 1 | $1,809.50 | $1,809.50 |
| Mount Vernon, IL | 1 | $1,809.50 | $1,809.50 |
What it is
This code covers replacing only the worn part of the knee joint, usually the inner side, instead of the whole joint.
What the price covers
The hospital price usually covers the operating room, recovery and supplies. The surgeon and anesthesia usually bill separately.
Partial knee replacement (one compartment) in other states
- Alabama$20,241.27
- Alaska$10,166.80
- Arizona$15,754.92
- Arkansas$1,412.40
- California$20,092.80
- Colorado$38,029.94
- Connecticut$6,630.00
- Delaware$10,711.70
- Florida$20,969.14
- Georgia$15,440.00
- Idaho$15,889.00
- Indiana$2,027.75
- Iowa$2,852.00
- Kansas$1,640.64
- Kentucky$1,809.50
- Maine$834.77
- Maryland$5,505.78
- Massachusetts$13,928.00
- Michigan$4,431.50
- Minnesota$7,599.58
- Missouri$2,224.87
- Montana$4,218.60
- Nebraska$3,497.13
- Nevada$9,501.50
- New Hampshire$2,662.20
- New Jersey$17,515.54
- New York$3,668.32
- Ohio$4,453.80
- Oregon$3,562.43
- Pennsylvania$809.25
- Rhode Island$13,738.67
- South Dakota$13,181.46
- Tennessee$1,457.83
- Texas$12,881.99
- Vermont$2,862.21
- Virginia$49,100.27
- Washington$2,716.80
- West Virginia$1,215.00
- Wisconsin$6,002.10
- Wyoming$3,934.45
Median cash price across the state's hospitals.