Emergency visit, high (level 4) at Walter Knox Memorial Hospital. CPT 99284.
What Walter Knox Memorial Hospital publishes for this service, straight from its standard-charges file, last updated June 12, 2026.
Outpatient / ER
$578cash price (self-pay)
$631list price
$105–$962range insurers pay
| Insurance plan | Negotiated rate |
|---|---|
| Tricare Triwest - All Plans | Tricare Triwest - All Plans | $105 |
| Blue Cross Mcr Adv | Blue Cross Mcr Adv | $111 |
| Blue Shield Mcr Adv | Blue Shield Mcr Adv | $111 |
| Pacificsource Mcr Adv | Pacificsource Mcr Adv | $111 |
| Regence Bs Triwest - All Plans | Regence Bs Triwest - All Plans | $111 |
| Humana Mcr Adv | Humana Mcr Adv | $111 |
| Molina Mcr Adv - All Plans | Molina Mcr Adv - All Plans | $111 |
| UHC Mcr Adv | UHC Mcr Adv | $111 |
| Select Health Mcr Adv | Select Health Mcr Adv | $111 |
| Aetna Mcr Adv | Aetna Mcr Adv | $119 |
| UHC All Payer - All Other Plans | UHC All Payer - All Other Plans | $143 |
| Blue Shield Comm - All Other Plans | Blue Shield Comm - All Other Plan | $179 |
| Aetna Comm - All Other Plans | Aetna Comm - All Other Plans | $192 |
| Cigna Oap | Cigna Oap | $197 |
| Blue Cross Comm - All Other Plans | Blue Cross Comm - All Other Plans | $197 |
| Humana Comm - All Other Plans | Humana Comm - All Other Plans | $216 |
| Pacificsource Comm - All Other Plans | Pacificsource Comm - All Other | $220 |
| Cigna PPO - All Other Plans | Cigna PPO - All Other Plans | $221 |
| Moda Health - All Plans | Moda Health - All Plans | $222 |
| Select Health Comm - All Other Plans | Select Health Comm - All Other | $226 |
| Blue Cross Qhp | Blue Cross Qhp | $599 |
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