Colonoscopy, diagnostic in Chicago-Naperville-Elgin, IL-IN
In Chicago-Naperville-Elgin, IL-IN, 12 hospitals list a cash price for Colonoscopy, diagnostic: from $396.61 to $7,534.00, with a median of $1,149.97. The lowest listed price is at Humboldt Park Health.
Cash prices at 12 facilities across 11 cities for code 45378, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 31, 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 Diagnostic exam of large bowel using a flexible endoscope | $396.61 | $1,416.45 | 72% | Aug 24, 2026 source file |
| Gottlieb Memorial Hospital Melrose Park, IL Colonoscopy Terminated | $629.66 | $3,314.00 | 81% | Mar 31, 2026 source file |
| Gottlieb Memorial Hospital Melrose Park, IL Colonoscopy | $692.74 | $3,646.00 | 81% | Mar 31, 2026 source file |
| Loyola University Medical Center Maywood, IL Colonoscopy Terminated | $762.22 | $3,314.00 | 77% | Mar 31, 2026 source file |
| Loyola University Medical Center Maywood, IL Colonoscopy | $838.58 | $3,646.00 | 77% | Mar 31, 2026 source file |
| Gottlieb Memorial Hospital Melrose Park, IL Ca Screen Colonoscopy | $878.18 | $4,622.00 | 81% | Mar 31, 2026 source file |
| Saint Francis Hospital Evanston, IL HC COLORECTAL CANCER SCRN, COLONOSCOPY NOT HIGH RISK - 45378 - 75000071 | $991.00 | $13,712.00 | 93% | Sep 1, 2026 source file |
| Saint Francis Hospital Evanston, IL HC COLORECTAL CANCER SCREEN, COLONOSCOPY HIGH RISK - 45378 - 75000068 | $991.00 | $4,752.00 | 79% | Sep 1, 2026 source file |
| Saint Francis Hospital Evanston, IL HC COLONOSCOPY,DIAGNOSTIC | $991.00 | $4,752.00 | 79% | Sep 1, 2026 source file |
| Saint Francis Hospital Evanston, IL Diagnostic colonoscopy | $991.00 | $7,596.00 | 87% | Sep 1, 2026 source file |
| Loyola University Medical Center Maywood, IL Ca Screen Colonoscopy | $1,063.06 | $4,622.00 | 77% | Mar 31, 2026 source file |
| Roseland Community Hospital Association Chicago, IL Diagnostic exam of large bowel using a flexible endoscope | $1,236.88 | $1,391.12 | 11% | Jul 1, 2026 source file |
| Northwestern Medicine Marianjoy Rehabilitation Hospital Wheaton, IL HB Colonoscopy Flx Dx W/Collj Spec When Pfrmd | $2,524.90 | $3,607.00 | 30% | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago, IL Pr Colonoscopy Flx Dx W/Collj Spec When Pfrmd-Pbb | $2,790.00 | $2,790.00 | — | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago, IL Pr Colonoscopy Flx Dx W/Collj Spec When Pfrmd-Gast | $2,790.00 | $2,790.00 | — | Apr 1, 2026 source file |
| Palos Community Hospital Palos Heights, IL HB Colonoscopy Flx Dx W/Collj Spec When Pfrmd | $4,111.88 | $5,874.11 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Valley West Hospital Sandwich, IL HB Colonoscopy Flx Dx W/Collj Spec When Pfrmd | $4,292.57 | $6,132.24 | 30% | Apr 1, 2026 source file |
| Northwestern Lake Forest Hospital Lake Forest, IL HB Colonoscopy Flx Dx W/Collj Spec When Pfrmd | $4,336.60 | $6,195.14 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Kishwaukee Hospital Dekalb, IL HB Colonoscopy Flx Dx W/Collj Spec When Pfrmd | $4,398.68 | $6,283.83 | 30% | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago, IL Hc Colonoscopy, Flex; Diag, Incl Collection Of Specimen By Brushing Or Washing, When Perf-Pbb | $4,970.00 | $4,970.00 | — | Apr 1, 2026 source file |
| Northwestern Medicine Delnor Hospital Geneva, IL HB Colonoscopy Flx Dx W/Collj Spec When Pfrmd | $5,034.34 | $7,191.91 | 30% | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago, IL Hc Colonoscopy, Flex; Diag, Incl Collection Of Specimen By Brushing Or Washing, When Perf | $7,534.00 | $7,534.00 | — | Apr 1, 2026 source file |
Outpatient: lowest $396.61, median $1,149.97, highest $7,534.00 — a 19.0× difference within the same market.
As an inpatient, the same code is billed by 1 facility here, median $3,880.00. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
A colonoscopy uses a long, flexible camera to look at the inside of the entire colon (large intestine). The diagnostic version, with no tissue taken, is used to look into symptoms like bleeding or changes in bowel habits and is also used for screening.
What the price covers
The facility price covers the procedure room and recovery. The gastroenterologist's fee, anesthesia and the bowel-prep medicine are usually billed or bought separately.