Colonoscopy, diagnostic at SSM Health St. Mary's Hospital - St. Louis. CPT 45378.
What SSM Health St. Mary's Hospital - St. Louis publishes for this service, straight from its standard-charges file, last updated April 1, 2026.
Outpatient / ER
—cash price (self-pay)
—list price
$230–$3,213range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| BCBS | Anthem Pathway Exchange | $343 |
| BCBS | Anthem Blue Preferred HMO/POS | $429 |
| BCBS | Anthem Blue Access Choice PPO | $433 |
| BCBS | Anthem Blue Access PPO | $888 |
| Aetna | Medicare Managed Care Plan | $931 |
| Aetna | Gold Advantage Medicare Managed Care Plan | $941 |
| UnitedHealthCare | Medicare Managed Care Plan | $945 |
| BCBS | Anthem Medicare Managed Care Plan | $945 |
| Humana | Medicare Managed Care Plan | $947 |
| Oscar | Exchange | $1,555 |
| Ambetter | Exchange | $1,568 |
| Healthlink | Employers Choice All Commercial Plans | $1,628 |
| Aetna | Carelink Other Commercial Plan | $1,944 |
| UnitedHealthCare | All Commercial Plans | $2,363 |
| UnitedHealthCare | St. Louis University Employee | $2,371 |
| Cigna | OAP Other Commercial Plan | $2,680 |
| Healthlink | HMO | $2,709 |
| UnitedHealthCare | Options PPO | $2,783 |
| Aetna | NBD Other Commercial Plan | $2,835 |
| Aetna | All Commercial Plans | $3,213 |
Billed more than this?
Scan my billSnap a photo of your bill. We compare every line with these prices and coding rules, free.
All common services at SSM Health St. Mary's Hospital - St. Louis