Screening colonoscopy cost in Illinois
In Illinois, 15 hospitals publish a cash price for screening colonoscopy for a person at average risk (Medicare code): from $157.29 to $3,198.30, with a median of $1,979.60. The lowest price is at Humboldt Park Health (Chicago). The highest price is 20.3× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code G0121. 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 COLORECTAL CANCER SCREENING; COLONOSCOPY ON INDIVIDUAL NOT MEETING CRITERIA FOR HIGH RISK | $157.29 | $561.75 | Aug 24, 2026 source file |
| Deaconess Illinois Crossroads Mount Vernon · Mount Vernon, IL PR COLON CA SCRN NOT HI RSK IND | $248.15 | $709.00 | Feb 3, 2026 source file |
| Deaconess Illinois Union County Hospital Anna · Anna, IL PR COLON CA SCRN NOT HI RSK IND | $248.15 | $709.00 | Feb 3, 2026 source file |
| Heartland Regional Medical Center Marion · Marion-Herrin, IL PR COLON CA SCRN NOT HI RSK IND | $248.15 | $709.00 | Feb 3, 2026 source file |
| Trinity Medical Center Rock Island · Davenport-Moline-Rock Island, IA-IL PR COLON CA SCRN NOT HI RSK IND | $813.60 | $1,017.00 | Jan 28, 2026 source file |
| Riverside Medical Center Kankakee · Kankakee, IL COLORECTAL CANCER SCREENING; COLONOSCOPY ON INDIVIDUAL NOT MEETING CRITERIA FOR HIGH RISK | $931.70 | $3,500.00 | — source file |
| Saint Francis Hospital Evanston · Chicago-Naperville-Elgin, IL-IN HC COLORECTAL CANCER SCRN, COLONOSCOPY NOT HIGH RISK - G0121 - 75000071 | $991.00 | $13,712.00 | Sep 1, 2026 source file |
| Northwestern Medicine Kishwaukee Hospital DeKalb · Chicago-Naperville-Elgin, IL-IN HB Colon Ca Scrn Not Hi Rsk Ind | $1,979.60 | $2,828.00 | Apr 1, 2026 source file |
| Northwestern Medicine Valley West Hospital Sandwich · Chicago-Naperville-Elgin, IL-IN HB Colon Ca Scrn Not Hi Rsk Ind | $2,146.20 | $3,066.00 | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago · Chicago-Naperville-Elgin, IL-IN Hc Colorectal Cancer Screeningl Colonoscpy On Individual Not Meeting Criteria For High Risk-Pbb | $2,502.00 | $2,502.00 | Apr 1, 2026 source file |
| Northwestern Lake Forest Hospital Lake Forest · Chicago-Naperville-Elgin, IL-IN HB Colon Ca Scrn Not Hi Rsk Ind | $2,557.80 | $3,654.00 | Apr 1, 2026 source file |
| Northwestern Medicine McHenry Hospital McHenry · Chicago-Naperville-Elgin, IL-IN HB Colon Ca Scrn Not Hi Rsk Ind | $2,557.80 | $3,654.00 | Apr 1, 2026 source file |
| Northwestern Medicine Central DuPage Hospital Winfield · Chicago-Naperville-Elgin, IL-IN HB Colon Ca Scrn Not Hi Rsk Ind | $2,878.40 | $4,112.00 | Apr 1, 2026 source file |
| Northwestern Medicine Delnor Hospital Geneva · Chicago-Naperville-Elgin, IL-IN HB Colon Ca Scrn Not Hi Rsk Ind | $2,878.40 | $4,112.00 | Apr 1, 2026 source file |
| Palos Community Hospital Palos Heights · Chicago-Naperville-Elgin, IL-IN HB Colon Ca Scrn Not Hi Rsk Ind | $3,198.30 | $4,569.00 | Apr 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 | 10 | $157.29 | $2,529.90 |
| Anna, IL | 1 | $248.15 | $248.15 |
| Davenport-Moline-Rock Island, IA-IL | 1 | $813.60 | $813.60 |
| Kankakee, IL | 1 | $931.70 | $931.70 |
| Marion-Herrin, IL | 1 | $248.15 | $248.15 |
| Mount Vernon, IL | 1 | $248.15 | $248.15 |
What it is
This is a routine colonoscopy for someone with no symptoms and no high-risk factors, done to find and prevent colorectal cancer. G0121 is a Medicare screening code; for people at average risk Medicare covers it once every 10 years, or 4 years after a screening sigmoidoscopy.
What the price covers
The facility price usually covers the procedure room and recovery. The gastroenterologist, anesthesia, the bowel-prep medicine and any pathology are usually billed or bought separately.
Screening colonoscopy for a person at average risk (Medicare code) in other states
- Alabama$1,903.02
- Alaska$1,856.05
- Arizona$577.78
- Arkansas$625.95
- California$1,700.40
- Colorado$1,918.00
- Connecticut$3,224.78
- Delaware$2,726.64
- Florida$3,328.00
- Georgia$2,091.00
- Idaho$2,509.00
- Indiana$444.60
- Iowa$813.60
- Kansas$2,139.80
- Kentucky$1,256.72
- Louisiana$473.20
- Maine$291.53
- Maryland$684.50
- Massachusetts$1,853.03
- Michigan$821.80
- Minnesota$1,216.24
- Mississippi$1,137.84
- Missouri$609.70
- Montana$1,707.53
- Nebraska$754.42
- Nevada$1,011.00
- New Hampshire$1,070.15
- New Jersey$1,086.34
- New Mexico$660.00
- New York$1,078.88
- North Carolina$1,221.12
- North Dakota$1,792.00
- Ohio$2,460.73
- Oklahoma$632.25
- Oregon$616.20
- Pennsylvania$1,440.00
- Rhode Island$1,859.00
- South Carolina$5,920.39
- South Dakota$1,356.53
- Tennessee$734.80
- Texas$782.00
- Utah$2,278.36
- Vermont$649.08
- Virginia$3,735.57
- Washington$1,221.27
- West Virginia$866.50
- Wisconsin$1,293.50
- Wyoming$1,010.73
Median cash price across the state's hospitals.