Colonoscopy, diagnostic at St. Mary-Corwin Medical Center. CPT 45378.
What St. Mary-Corwin Medical Center publishes for this service, straight from its standard-charges file, last updated February 5, 2026.
Outpatient / ER
—cash price (self-pay)
—list price
$172–$1,540range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| United Healthcare | Managed Medicare | $172 |
| Aetna | Managed Medicare | $175 |
| Anthem Blue Cross Blue Shield | Managed Medicare | $175 |
| Cigna Healthcare | Managed Medicare | $175 |
| Denver Health | Managed Medicare | $175 |
| Devoted Health | Managed Medicare | $175 |
| Humana | Managed Medicare | $175 |
| Innovage | Managed Medicare | $175 |
| Kaiser | Managed Medicare | $175 |
| Managed Medicare | Managed Medicare | $175 |
| Medicare | Medicare | $175 |
| Optum Care Network | Managed Medicare | $175 |
| Kaiser | Commercial Public Options | $648 |
| Kaiser | Commercial PPO/POS/HMO | $1,151 |
| Anthem Blue Cross Blue Shield | Commercial PPO/POS/HMO | $1,540 |
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