Colonoscopy, diagnostic at Overlake Hospital Medical Center. CPT 45378.
What Overlake Hospital Medical Center publishes for this service, straight from its standard-charges file, last updated April 1, 2026.
Outpatient / ER
$1,423cash price (self-pay)
$2,846list price
$1,080–$7,287range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| Blue Cross | Premera Medicare Managed Care Plan | $1,080 |
| Aetna | Medicare Managed Care Plan | $1,112 |
| Unitedhealthcare | Medicare Managed Care Plan | $1,123 |
| Molina | Exchange | $1,944 |
| Unitedhealthcare | All Commercial Plans | $1,996 |
| Blue Shield | Regence Ump Other Commercial Plan | $2,065 |
| Blue Shield | Regence Real Value Exchange | $2,305 |
| Blue Cross | Premera Heritage Prime Other Commercial Plan | $2,482 |
| Blue Shield | Regence All Commercial Plans | $2,561 |
| Blue Cross | Premera - Heritage All Commercial Plans | $2,759 |
| Aetna | All Commercial Plans | $2,781 |
| Kaiser | All Commercial Plans | $2,840 |
| Cigna | Localplus Other Commercial Plan | $3,980 |
| Cigna | Oap Other Commercial Plan | $4,614 |
| Cigna | Ppo | $4,736 |
| First Choice | Evergreen Employee Other Commercial Plan | $4,858 |
| First Choice | Health Administrators Tpa Other Commercial Plan | $4,858 |
| First Choice | Ppo | $4,858 |
| First Choice | Virginia Mason Hvn Other Commercial Plan | $4,858 |
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