Chromogenic substrate assay at Methodist Medical Center of Oak Ridge

990 Oak Ridge Turnpike, Oak Ridge, TN · Fsregional · · NPI 1700870672

Source: hospital's published price file ↗ · Published Aug 5, 2026 · Ingested Sep 16, 2026

$226.38

Cash price

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Discounted cash price

What a hospital charges a self-pay patient who pays directly, without going through insurance — usually well below the gross charge.

Example: A CT scan has a $3,200 gross charge but an $850 discounted cash price. Ask for it by name when scheduling — hospitals don't always advertise it up front.

Full explanation →

What you pay up front if you don't use insurance.

$686.00

Gross charge

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Gross charge (chargemaster price)

The hospital's full, undiscounted list price — pulled from its internal "chargemaster" price list. Almost no one actually pays this.

Example: A chest X-ray has a gross charge of $1,450. The same hospital's discounted cash price for the same X-ray is $180 — the gross charge mostly anchors negotiations, not what patients pay.

Full explanation →

The hospital's undiscounted list price — almost no one pays this.

$5.35 with Wellpoint vs $617.40 with Galaxy Health Network — same scan, same building. Share

Negotiated rates by payer
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Negotiated rate

The price a specific insurance plan agreed to pay the hospital for a service — it varies by insurer, and even by plan within the same insurer.

Example: The same knee MRI has a negotiated rate of $904 with one insurer's PPO plan and $1,509 with another's — identical hospital, identical scan.

Full explanation →

Payer
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Payer

The insurance company footing the bill — Aetna, UnitedHealthcare, Medicare, and so on.

Example: "Blue Cross Blue Shield" is the payer. Its negotiated rate for an MRI might be $904, while a different payer's negotiated rate for the same scan is $1,509.

Full explanation →
Plan
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Plan

The specific product an insurer sells — e.g. "Blue Cross PPO 500" — which sets your deductible, coinsurance and negotiated rates.

Example: Two people both insured by Aetna can owe very different amounts for the same MRI: $50 with an HMO plan's flat copay, or the full $1,200 toward a high-deductible PPO plan's unmet deductible.

Full explanation →
Negotiated rate vs. cash
Wellpoint Medicaid Tenncare $5.35 ↓ -98%
United Healthcare Tenncare $7.61 ↓ -97%
United Healthcare Heritage Select $11.89 ↓ -95%
Tricare Humana Military $11.89 ↓ -95%
Optum VA CCN $11.89 ↓ -95%
United Healthcare Options PPO $11.89 ↓ -95%
United Healthcare All Other Plans $11.89 ↓ -95%
United Healthcare Medicare Advantage $12.25 ↓ -95%
United Healthcare Community Plan DSNP $12.25 ↓ -95%
Humana Medicare Advantage HMO $12.25 ↓ -95%
Humana DSNP $12.25 ↓ -95%
Humana Medicare Advantage PPO $12.25 ↓ -95%
Farm Bureau Medicare Advantage PPO $12.37 ↓ -95%
Farm Bureau Medicare Advantage HMO $12.37 ↓ -95%
Devoted Health PPO $12.48 ↓ -94%
HealthSpring Medicare PPO $12.48 ↓ -94%
HealthSpring Medicare HMO POS $12.48 ↓ -94%
Blue Cross of TN Med Adv Sapphire $12.48 ↓ -94%
Aetna Medicare Advantage $12.48 ↓ -94%
Wellcare Medicare Advantage $12.48 ↓ -94%
Blue Cross of TN Med Adv Ruby $12.48 ↓ -94%
Devoted Health HMO $12.48 ↓ -94%
Cigna Medicare PPO $12.48 ↓ -94%
Cigna Medicare HMO $12.48 ↓ -94%
Blue Cross of TN Med Adv PPO $12.48 ↓ -94%
Blue Cross of TN Med Adv Diamond $12.48 ↓ -94%
Blue Cross of TN BlueEssential HMO $12.48 ↓ -94%
Blue Cross of TN BlueEssential DSNP $12.48 ↓ -94%
United Healthcare DSNP $12.48 ↓ -94%
Cigna Medicare HMO-POS $12.48 ↓ -94%
Wellpoint DSNP $12.48 ↓ -94%
Wellpoint Medicare Advantage $12.48 ↓ -94%
BCBS TN Blue Care $16.51 ↓ -93%
Aetna Commercial $18.01 ↓ -92%
Ambetter Exchange $21.52 ↓ -90%
Cigna IFP $24.27 ↓ -89%
Cigna Local Plus $24.38 ↓ -89%
BCBS TN Commercial Network S $25.10 ↓ -89%
BCBS TN Commercial Network P $25.10 ↓ -89%
Cigna POS $26.50 ↓ -88%
Cigna OAP $26.50 ↓ -88%
Cigna HMO $26.50 ↓ -88%
EHN Network Lease $308.70 ↑ +36%
Correctional Medical Services Correctional Facilities - Inmate Claims $411.60 ↑ +82%
Community Services Network NonProfit Public Benefit $445.90 ↑ +97%
USA Managed Care Organization PPO $480.20 ↑ +112%
NovaNet Network Lease $514.50 ↑ +127%
Direct Care America PPO $548.80 ↑ +142%
MedSave USA Commercial $548.80 ↑ +142%
National Provider Network PPO $548.80 ↑ +142%
Beech Street PPO $583.10 ↑ +158%
CCN Managed Care PPO $583.10 ↑ +158%
Initial Group PPO $603.68 ↑ +167%
Galaxy Health Network PPO $617.40 ↑ +173%

Visitor-reported prices

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Chromogenic substrate assay at other Tennessee hospitals

Hospital City Cash price Negotiated range
Johnson City Medical Center JOHNSON CITY $12.75 $5.95 – $25.92
Hancock County Hospital SNEEDVILLE $12.42 $6.98 – $25.98
Greeneville Community Hospital GREENEVILLE $12.75 $5.35 – $25.92
Bristol Regional Medical Center BRISTOL $12.75 $5.95 – $28.54
Franklin Woods Community Hospital JOHNSON CITY $12.75 $5.95 – $25.92
Holston Valley Medical Center KINGSPORT $12.75 $5.95 – $28.54
Indian Path Community Hospital KINGSPORT $12.75 $5.95 – $28.54
Hawkins County Memorial Hospital ROGERSVILLE $12.75 $5.95 – $25.92

All Tennessee hospitals for this procedure →