Colonoscopy, diagnostic at OSF Saint Anthony Medical Center. CPT 45378.
What OSF Saint Anthony 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
$341–$4,932range 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 |
| Zing | Medicare Managed Care Plan | $1,046 |
| Humana | All Commercial Plans | $2,586 |
| The Alliance | All Commercial Plans | $3,488 |
| UnitedHealthCare | All Commercial Plans | $4,157 |
| Caterpillar | All Commercial Plans | $4,932 |
Billed more than this?
Scan my billSnap a photo of your bill. We compare every line with these prices and coding rules, free.