Colonoscopy, diagnostic at Johnson Memorial Hospital. CPT 45378.
What Johnson Memorial Hospital publishes for this service, straight from its standard-charges file, last updated March 31, 2026.
Outpatient / ER
$2,616cash price (self-pay)
—list price
$1,030–$3,371range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| Aetna Medicare Advantage | Aetna Medicare Advantage | $1,093 |
| United Healthcare Medicare | United Healthcare Medicare Advantage | $1,093 |
| Health New England Medicare Advantage | Health New England Medicare Ad | $1,103 |
| Cca Senior Care Options | Commonwealth Care Alliance Medicare Adv | $1,114 |
| Carepartners Of Connecticut Medicare Advantage | Carepartners Medicare | $1,114 |
| Fallon Health Medicare Advantage | Fallon Medicare Advantage | $1,114 |
| Wellcare Medicare | Wellcare Medicare Advantage | $1,115 |
| Cigna Medicare Advantage | Cigna Medicare Advantage | $1,125 |
| Prime Health Services Medicare Advantage | Prime Health Medicare Advan | $1,137 |
| Blue Cross - Ct (Anthem) | Anthem Individual Pathway HMO PPO | $2,613 |
| Blue Cross - Ct (Anthem) | Anthem Bluecare Prime | $3,034 |
| Blue Cross - Nh (Anthem) | Anthem | $3,371 |
| Blue Cross - Nj (Horizon) | Anthem | $3,371 |
| Blue Cross - Nm | Anthem | $3,371 |
| Blue Cross - NY (Excellus) | Anthem | $3,371 |
| Blue Shield - Id (Regence) | Anthem | $3,371 |
| Blue Cross - Ky (Anthem) | Anthem | $3,371 |
| Blue Cross - La | Anthem | $3,371 |
| Blue Cross - Me (Anthem) | Anthem | $3,371 |
| Blue Cross - Md (Carefirst) | Anthem | $3,371 |
| Blue Cross - MA | Anthem | $3,371 |
| Blue Cross - Ms | Anthem | $3,371 |
| Blue Cross - De (Highmark) | Anthem | $3,371 |
| Blue Cross - Dc (Carefirst) | Anthem | $3,371 |
| Blue Cross - FL | Anthem | $3,371 |
| Blue Cross - Hi | Anthem | $3,371 |
| Blue Cross - Ga (Anthem) | Anthem | $3,371 |
| Blue Cross - Id | Anthem | $3,371 |
| Unicare | Unicare | $3,371 |
| Blue Cross - CA (Anthem) | Anthem | $3,371 |
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