Electrolyte panel at CENTENNIAL MEDICAL CENTER AT ASHLAND CITY

313 NORTH MAIN STREET, Ashland City, TN · Tristarhealth · · NPI 1265487193

Source: hospital's published price file ↗ · Published Mar 1, 2026 · Ingested Sep 16, 2026

$1,554.48

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.

$1,554.48

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.

$3.15 with Wellpoint vs $2,000.00 with BCBS — 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 MGMCD $3.15 ↓ -100%
Aetna NewBusiness $5.58 ↓ -100%
Aetna COMM $5.58 ↓ -100%
United AllPayerAppendix $7.01 ↓ -100%
Humana ChoicecareMGMCR $7.01 ↓ -100%
United CorePayer $7.01 ↓ -100%
United HeritageSelect $7.01 ↓ -100%
Bright Health HIX $7.01 ↓ -100%
Bright Health SmallGroup $7.01 ↓ -100%
Sarah Cannon Research COMM $7.01 ↓ -100%
WellCare MCR $7.22 ↓ -100%
Zing MGMCR $7.22 ↓ -100%
Ambetter Select $7.29 ↓ -100%
Devoted Health Plan MCR $7.36 ↓ -100%
Healthspring MCRHMOTMN $7.36 ↓ -100%
Healthspring MCRHMONonTMN $7.36 ↓ -100%
Healthspring MCRPPO $7.36 ↓ -100%
Evergreen HMO MCR $7.36 ↓ -100%
American Health Advantage MCRPFFS $7.36 ↓ -100%
United VACCN $7.36 ↓ -100%
American Health Advantage MCRSNP $7.36 ↓ -100%
American Health Advantage MCRPPO $7.36 ↓ -100%
American Health Advantage MCRPOS $7.36 ↓ -100%
American Health Advantage MCRHMO $7.36 ↓ -100%
Aetna MGMCRHMO $7.43 ↓ -100%
Aetna MGMCRPPO $7.43 ↓ -100%
Aetna MGMCRSNP $7.43 ↓ -100%
Ambetter CORE $7.57 ↓ -100%
ATRIO Golden Times MCR $7.71 ↓ -100%
Signature Advantage MCR $7.80 ↓ -99%
BCBS NetworkP $7.90 ↓ -99%
Bright Health MCRNarrow $8.46 ↓ -99%
Prime Health WORKERSCOMP $10.09 ↓ -99%
BCBS TENNCARE $10.10 ↓ -99%
NovaNET WORKERSCOMP $10.30 ↓ -99%
CorVel Corporation WORKERSCOMP $10.30 ↓ -99%
BCBS COVERKIDS $10.91 ↓ -99%
Cigna NewBusiness $12.70 ↓ -99%
Cigna OAP $14.42 ↓ -99%
Oscar HIX $21.03 ↓ -99%
Humana NarrowExchangeNetwork $28.04 ↓ -98%
Humana HumanaChoice $28.04 ↓ -98%
Humana BroadNetwork $28.04 ↓ -98%
Humana HumanaChoiceCare $28.04 ↓ -98%
BCBS BlueCare $29.19 ↓ -98%
Kentucky Labor Cabinet WORKERSCOMP $286.18 ↓ -82%
NHC Advantage, Inc. MCRHMO $295.35 ↓ -81%
Apex Health MCR $295.35 ↓ -81%
Pruitt Health (AllyAlign) MCR $295.35 ↓ -81%
United OptionsPPO $379.29 ↓ -76%
Humana TRICARE $388.62 ↓ -75%
Amerigroup MGMCR $481.89 ↓ -69%
Cigna PPO $485.00 ↓ -69%
United GlobalBenefitPlan $699.52 ↓ -55%
BGFH SingleSource DIRECTNETWORK $777.24 ↓ -50%
Aetna NAP $777.24 ↓ -50%
Multiplan COMM $854.96 ↓ -45%
Southern Health Partners Prison $932.69 ↓ -40%
Employers Health Network COMM $1,088.14 ↓ -30%
Odom's TN Pride Sausage WORKERSCOMP $1,165.86 ↓ -25%
BGFH SingleSource LEASEDNETWORK $1,321.31 ↓ -15%
Beech Street COMM $1,430.12 ↓ -8%
BCBS MCR $2,000.00 ↑ +29%

Visitor-reported prices

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Electrolyte panel at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $56.25 $2.52 – $27.07
CHI Memorial Hospital Hixson Hixson $160.44 $6.24 – $379.40
62-1166050 BMH Carroll County Huntingdon $126.50 $6.10 – $14.02
CHI Memorial Hospital Chattanooga Chattanooga $229.27 $6.24 – $379.40
Johnson City Medical Center JOHNSON CITY $12.00 $3.51 – $15.28
Ascension Saint Thomas DeKalb Smithville $56.25 $4.92 – $27.07
Ascension Saint Thomas Highlands Sparta $56.25 $4.92 – $27.07
Ascension Saint Thomas River Park McMinnville $56.25 $4.92 – $27.07

All Tennessee hospitals for this procedure →