Colonoscopy, diagnostic at OSF St Joseph Medical Center. CPT 45378.
What OSF St Joseph Medical Center publishes for this service, straight from its standard-charges file, last updated March 31, 2026.
Outpatient / ER
—cash price (self-pay)
—list price
$997–$4,652range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| Health Alliance Plan | Medicare Managed Care Plan | $997 |
| Aetna | Medicare Managed Care Plan | $1,007 |
| BCBS | Medicare Managed Care Plan | $1,016 |
| UnitedHealthCare | All Commercial Plans | $4,157 |
| Caterpillar | All Commercial Plans | $4,652 |
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