Colonoscopy, diagnostic at Virginia Mason Medical Center. CPT 45378.
What Virginia Mason Medical Center publishes for this service, straight from its standard-charges file, last updated January 1, 2026.
Outpatient / ER
$1,899cash price (self-pay)
$3,830list price
$4.31–$8,500range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| Aetna | Medicare Advantage | $4.31 |
| Humana | ChoiceCare Medicare Advantage | $192 |
| Signal Health | Medicare Advantage | $197 |
| Confluence Health | Medicare Advantage | $275 |
| Multiplan | Medicare Advantage | $446 |
| Aetna | Medicare Advantage PPO | $514 |
| Regence | Medicare Advantage | $524 |
| Aetna | Medicare Advantage HMO | $592 |
| Humana | Medicare Advantage | $593 |
| Kaiser Foundation | HP Medicare | $593 |
| Optum Care Network | Medicare Advantage | $593 |
| United Healthcare | Medicare Advantage | $593 |
| Premera | Medicare Advantage HMO/PPO | $595 |
| United Healthcare | Commercial | $1,773 |
| Premera | Commercial | $2,298 |
| Kaiser Health Plan | Commercial | $2,309 |
| First Choice | Commercial | $2,395 |
| Aetna | Commercial | $2,469 |
| Regence | Uniform Medical Plan | $2,612 |
| Regence | Commercial | $2,681 |
| Cigna | Commercial | $2,828 |
| Cigna | Local Plus | $2,894 |
| Coventry - First Health | Commercial | $3,064 |
Inpatient
$1,899cash price (self-pay)
$3,830list price
$2,385–$3,135range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| First Choice | Commercial | $2,453 |
| Regence | Commercial | $2,681 |
| Regence | Uniform Medical Plan | $2,681 |
| Coventry - First Health | Commercial | $3,064 |
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