Colonoscopy, diagnostic at CHI St. Alexius Health Williston. CPT 45378.
What CHI St. Alexius Health Williston publishes for this service, straight from its standard-charges file, last updated February 28, 2026.
Outpatient / ER
$554cash price (self-pay)
$957list price
$421–$900range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| Medica | Medicare|All Plans | $421 |
| BCBS - ND | Medicare|All Plans | $429 |
| Sanford Health Plan | Commercial|All Plans | $574 |
| BCBS - ND | Medicaid|All Plans | $593 |
| United | Commercial|New Business | $698 |
| United | Commercial|All Other Plans | $784 |
| Health Partners | Commercial|All Plans | $899 |
| Medica | Commercial|All Plans | $899 |
| MultiPlan | Commercial|All Plans | $899 |
Inpatient
$554cash price (self-pay)
$957list price
$574–$900range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| Sanford Health Plan | Commercial|All Plans | $574 |
| United | Commercial|New Business | $698 |
| United | Commercial|All Other Plans | $784 |
| Health Partners | Commercial|All Plans | $899 |
| Medica | Commercial|All Plans | $899 |
| MultiPlan | Commercial|All Plans | $899 |
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