Colonoscopy cost in Seattle, WA without insurance
In the Seattle-Tacoma-Bellevue, WA area, the median cash price for Colonoscopy is $1,915.61 across 6 hospitals. The lowest, $1,423.00, is at Overlake Medical Center & Clinics (Bellevue). The US median is $1,443.50.
A colonoscopy examines the whole colon with a flexible camera, and one procedure usually produces several bills: the facility, the gastroenterologist, anesthesia, and pathology if tissue is removed. The key price detail is that a planned exam can become a biopsy (45380) or polyp removal (45385) during the procedure, which changes the code and adds a pathology charge.
Collected Sep 25, 2026 One price per hospital: its lowest outpatient cash price for the code
Colonoscopy prices in Seattle, WA by type
45378 is a diagnostic colonoscopy with nothing removed and is used in the state table; 45380 adds biopsies and 45385 adds polyp removal with a snare. G0121 and G0105 are Medicare screening codes for average-risk and high-risk patients, 45330 is a flexible sigmoidoscopy of the lower colon only, and 82274 is the at-home stool test (FIT).
| Procedure | Hospitals | Lowest | Median | US median |
|---|---|---|---|---|
| Colonoscopy Colonoscopy, diagnostic · code 45378 | 6 | $1,423.00 | $1,915.61 | $1,443.50 |
| Colonoscopy with biopsy Colonoscopy with tissue sample · code 45380 | 4 | $1,134.40 | $1,746.64 | $1,464.23 |
| Colonoscopy with polyp removal Colonoscopy with polyp removal · code 45385 | 4 | $1,518.00 | $1,909.61 | $1,591.00 |
| Screening colonoscopy Screening colonoscopy for a person at average risk (Medicare code) · code G0121 | 2 | $998.50 | $1,498.60 | $1,209.12 |
| High-risk screening colonoscopy Screening colonoscopy, high risk of colorectal cancer (Medicare code) · code G0105 | 2 | $1,125.00 | $1,561.85 | $1,249.00 |
| Sigmoidoscopy Flexible sigmoidoscopy, diagnostic (lower colon only) · code 45330 | 4 | $238.00 | $436.15 | $1,094.55 |
| FIT stool test Stool test for hidden blood by immunoassay (FIT) · code 82274 | 14 | $45.90 | $83.91 | $53.95 |
| Stool blood test (FOBT) Stool test for hidden blood (guaiac FOBT) · code 82270 | 14 | $3.28 | $18.71 | $22.95 |
Outpatient cash prices in Seattle, WA. Each hospital counts once, at its lowest cash price for the code; prices for both sides of the body and inpatient prices are not mixed in. Pick a procedure to compare every hospital in the area.
Lowest Colonoscopy prices in Seattle, WA
- Overlake Medical Center & Clinics, Bellevue$1,423.00
- Cascade Valley Hospital, Arlington$1,502.40
- Virginia Mason Medical Center, Seattle$1,898.73
- Swedish Issaquah, Issaquah$1,932.48
- Swedish Medical Center / Cherry Hill, Seattle$1,932.48
Colonoscopy cost in other areas nearby
Paying cash: what to do
- Ask for a self-pay quote that covers the facility, the gastroenterologist and anesthesia, and ask which of them bill separately.
- Ask for prices for 45380 and 45385 as well, since no one knows in advance whether a biopsy or polyp removal will be needed.
- Ambulatory surgery centers often charge less than hospital outpatient departments for the same colonoscopy, so ask the gastroenterologist where they perform it.