Colonoscopy, diagnostic in Vallejo, CA
In Vallejo, CA, 3 hospitals list a cash price for Colonoscopy, diagnostic: from $1,027.04 to $3,679.20, with a median of $2,353.12. The lowest listed price is at Northbay Medical Center.
Cash prices at 3 facilities across 3 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 Apr 1, 2026 and Apr 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 Vallejo, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Northbay Medical Center lowest Fairfield, CA Diagnostic Colonoscopy | $1,027.04 | $1,027.04 | — | Apr 1, 2026 source file |
| Northbay Medical Center Fairfield, CA Diagnostic Colonoscopy | $1,027.04 | $1,027.04 | — | Apr 1, 2026 source file |
| Kaiser Foundation Hospital - Vacaville Vacaville, CA COLONOSCOPY FLX DX W/COLLJ SPEC WHEN PFRMD | $3,679.20 | $6,570.00 | 44% | — source file |
| Kaiser Foundation Hospital & Rehab Center - Vallejo Vallejo, CA COLONOSCOPY FLX DX W/COLLJ SPEC WHEN PFRMD | $3,679.20 | $6,570.00 | 44% | — source file |
Outpatient: lowest $1,027.04, median $2,353.12, highest $3,679.20 — a 3.6× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $2,353.12. 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.