SelfPayRates — hospital cash prices, from the source

Colonoscopy, diagnostic in Seattle-Tacoma-Bellevue, WA

Cash prices at 6 facilities across 4 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.

HospitalCash price List priceOffFile date
Overlake Medical Center & Clinics BELLEVUE, WA
Hc 45378 Colon Diag/Brushing
$1,423.00 $2,846.00 50% Apr 1, 2026
file
Public Hospital Dist No 1 Skagit dba Cascade Valley Hospital ARLINGTON, WA
HC COLONOSCOPY BEDSIDE
$1,502.40 $1,878.00 20%
file
Public Hospital Dist No 1 Skagit dba Cascade Valley Hospital ARLINGTON, WA
HC COLONOSCOPY
$1,632.80 $2,041.00 20%
file
Virginia Mason Medical Center SEATTLE, WA
FMT, DEL VIA COLONOSCOPY, W/WO MODERATE SEDATION, SELF PAY
$1,898.73 $3,723.00 49%
file
Virginia Mason Medical Center SEATTLE, WA
FMT, DELIVERED VIA COLONOSCOPY, W GENERAL ANES, SELF PAY
$1,907.40 $3,740.00 49%
file
Swedish Health Services SEATTLE, WA
HC ED COLONOSCOPY FLX DX W/COLLJ SPEC WHEN PFRMD CDM
$1,932.48 $4,026.00 52% Apr 1, 2026
file
Swedish Health Services SEATTLE, WA
HC ED COLONOSCOPY FLX DX W/COLLJ SPEC WHEN PFRMD CDM
$1,932.48 $4,026.00 52% Apr 1, 2026
file
Swedish Health Services ISSAQUAH, WA
HC ED COLONOSCOPY FLX DX W/COLLJ SPEC WHEN PFRMD CDM
$1,932.48 $4,026.00 52% Apr 1, 2026
file
Virginia Mason Medical Center SEATTLE, WA
COLONOSCOPY, W/WO COLL OF SPEC, W/WO DECOMPRESS, SEP PROC
$1,998.69 $3,919.00 49%
file
Seattle Children's Hospital SEATTLE, WA
Colonscopy Flex W/+W/O Brush/Wash
$5,952.50 $5,952.50
file

Outpatient: lowest $1,423.00, median $1,919.94, highest $5,952.50 — a 4.2× difference within the same market.

As an inpatient, the same code is billed by 6 facilities here, median $1,919.94. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

Other markets for this procedure