Potassium serum/plasma/whole blood at Roane County Medical Center

8045 Roane Medical Center Dr, Harriman, TN · Fsregional · · NPI 1700036696

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

$5.28

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.

$16.00

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.

$2.14 with Wellpoint vs $14.40 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 $2.14 ↓ -59%
United Healthcare Tenncare $2.94 ↓ -44%
United Healthcare Heritage Select $4.76 ↓ -10%
Tricare Humana Military $4.76 ↓ -10%
Optum VA CCN $4.76 ↓ -10%
United Healthcare Options PPO $4.76 ↓ -10%
United Healthcare All Other Plans $4.76 ↓ -10%
United Healthcare Medicare Advantage $4.90 ↓ -7%
United Healthcare Community Plan DSNP $4.90 ↓ -7%
Humana Medicare Advantage HMO $4.90 ↓ -7%
Humana DSNP $4.90 ↓ -7%
Humana Medicare Advantage PPO $4.90 ↓ -7%
Farm Bureau Medicare Advantage PPO $4.95 ↓ -6%
Farm Bureau Medicare Advantage HMO $4.95 ↓ -6%
Devoted Health PPO $5.00 ↓ -5%
HealthSpring Medicare PPO $5.00 ↓ -5%
HealthSpring Medicare HMO POS $5.00 ↓ -5%
Blue Cross of TN Med Adv Sapphire $5.00 ↓ -5%
Aetna Medicare Advantage $5.00 ↓ -5%
Wellcare Medicare Advantage $5.00 ↓ -5%
Blue Cross of TN Med Adv Ruby $5.00 ↓ -5%
Devoted Health HMO $5.00 ↓ -5%
Cigna Medicare PPO $5.00 ↓ -5%
Cigna Medicare HMO $5.00 ↓ -5%
Blue Cross of TN Med Adv PPO $5.00 ↓ -5%
Blue Cross of TN Med Adv Diamond $5.00 ↓ -5%
Blue Cross of TN BlueEssential HMO $5.00 ↓ -5%
Blue Cross of TN BlueEssential DSNP $5.00 ↓ -5%
United Healthcare DSNP $5.00 ↓ -5%
Cigna Medicare HMO-POS $5.00 ↓ -5%
Wellpoint DSNP $5.00 ↓ -5%
Wellpoint Medicare Advantage $5.00 ↓ -5%
BCBS TN Blue Care $6.39 ↑ +21%
EHN Network Lease $7.20 ↑ +36%
Aetna Commercial $7.21 ↑ +37%
Ambetter Exchange $8.62 ↑ +63%
Correctional Medical Services Correctional Facilities - Inmate Claims $9.60 ↑ +82%
BCBS TN Commercial Network S $9.71 ↑ +84%
Cigna IFP $9.71 ↑ +84%
BCBS TN Commercial Network P $9.71 ↑ +84%
Cigna Local Plus $9.75 ↑ +85%
Community Services Network NonProfit Public Benefit $10.40 ↑ +97%
Cigna HMO $10.60 ↑ +101%
Cigna OAP $10.60 ↑ +101%
Cigna POS $10.60 ↑ +101%
USA Managed Care Organization PPO $11.20 ↑ +112%
NovaNet Network Lease $12.00 ↑ +127%
Direct Care America PPO $12.80 ↑ +142%
MedSave USA Commercial $12.80 ↑ +142%
National Provider Network PPO $12.80 ↑ +142%
Beech Street PPO $13.60 ↑ +158%
CCN Managed Care PPO $13.60 ↑ +158%
Initial Group PPO $14.08 ↑ +167%
Galaxy Health Network PPO $14.40 ↑ +173%

Visitor-reported prices

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Potassium serum/plasma/whole blood at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $64.82 $1.71 – $18.06
CHI Memorial Hospital Hixson Hixson $13.03 $4.09 – $30.80
62-1166050 BMH Carroll County Huntingdon $51.06 $4.14 – $9.52
CHI Memorial Hospital Chattanooga Chattanooga $18.62 $4.09 – $30.80
Johnson City Medical Center JOHNSON CITY $8.10 $2.31 – $10.38
Ascension Saint Thomas DeKalb Smithville $42.81 $3.23 – $18.06
Ascension Saint Thomas Highlands Sparta $42.81 $3.23 – $18.06
Ascension Saint Thomas River Park McMinnville $42.81 $3.23 – $18.06

All Tennessee hospitals for this procedure →