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Costs · Endoscopy · Colonoscopy · Walla Walla · codes 45378, 45380, 45385

How much does a colonoscopy cost in Walla Walla?

Examination of the colon with a flexible camera; bundle includes biopsy and polyp-removal variants. Below: the rates insurers have actually negotiated with 1 Walla Walla-area hospitals, and the cash (self-pay) prices where published — from the hospitals' own federally required price files.

$4,114
lowest median negotiated rate
Providence St. Mary Medical Center
$4,114
highest (adult hospitals)
Providence St. Mary Medical Center
1.0×
price spread
same procedure, same metro
Median negotiated rate per hospital · sorted low → high · hover a bar for the full receipt
cash (self-pay) price
HospitalGross chargeCash priceNegotiatedRange# ratesvs median
* Specialty hospital (pediatric or cancer center) — rates reflect specialty case mix. † Median based on fewer than 3 published rates — treat as indicative. Bars show the median dollar-denominated commercial negotiated rate; hospitals sharing a health-system contract show similar rates.
SOURCE: standard-charges files from 1 hospitals · file dates 2026-04-01 · retrieved 2026-08-03
Paying cash can beat using insurance. At Providence St. Mary Medical Center, the self-pay price is $2,173 — less than the $4,114 median commercial-insurer rate. If you haven't met your deductible, ask for the cash rate.
Skipping the hospital? 1 independent imaging/outpatient centers in this area negotiate a median $1,147 all-in for this procedure (12 insurer rates) — less than the lowest hospital facility fee above ($4,114).
  • Walla Walla Clinic, Inc. — $637
  • Walla Walla Clinic, Inc. — $709
  • Walla Walla Clinic, Inc. — $840
  • Walla Walla Clinic, Inc. — $926
All-in (global) negotiated fees from Cigna, Premera, Regence, and UnitedHealthcare's federally mandated Transparency-in-Coverage files, newest dated 2026-08-01; hospital bars above show the facility fee only — a physician fee is usually billed on top. Estimates — confirm with the provider.