Assay of methemalbumin 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

not published by hospital

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.

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

not published by hospital

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.

$4.83 with Wellpoint vs $60.11 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 $4.83
Aetna NewBusiness $8.54
Aetna COMM $8.54
Bright Health SmallGroup $10.74
Bright Health HIX $10.74
Sarah Cannon Research COMM $10.74
United AllPayerAppendix $10.74
Humana ChoicecareMGMCR $10.74
United HeritageSelect $10.74
United CorePayer $10.74
WellCare MCR $11.06
Zing MGMCR $11.06
Ambetter Select $11.17
American Health Advantage MCRPOS $11.28
United VACCN $11.28
American Health Advantage MCRHMO $11.28
Devoted Health Plan MCR $11.28
American Health Advantage MCRPPO $11.28
American Health Advantage MCRSNP $11.28
American Health Advantage MCRPFFS $11.28
Evergreen HMO MCR $11.28
Healthspring MCRPPO $11.28
Healthspring MCRHMONonTMN $11.28
Healthspring MCRHMOTMN $11.28
Aetna MGMCRSNP $11.39
Aetna MGMCRHMO $11.39
Aetna MGMCRPPO $11.39
Ambetter CORE $11.60
ATRIO Golden Times MCR $11.81
Signature Advantage MCR $11.95
Bright Health MCRNarrow $12.97
BCBS NetworkP $14.65
Prime Health WORKERSCOMP $15.47
NovaNET WORKERSCOMP $15.79
CorVel Corporation WORKERSCOMP $15.79
Cigna NewBusiness $19.02
BCBS TENNCARE $20.80
Cigna OAP $21.61
BCBS COVERKIDS $22.46
Oscar HIX $32.22
Humana HumanaChoiceCare $42.96
Humana BroadNetwork $42.96
Humana HumanaChoice $42.96
Humana NarrowExchangeNetwork $42.96
BCBS BlueCare $60.11

Visitor-reported prices

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Assay of methemalbumin at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville not published $3.87 – $41.76
Ascension Saint Thomas DeKalb Smithville not published $7.53 – $41.76
Ascension Saint Thomas Highlands Sparta not published $7.53 – $41.76
Ascension Saint Thomas River Park McMinnville not published $7.53 – $41.76
Ascension Saint Thomas Rutherford Murfreesboro not published $9.67 – $41.76
Ascension Saint Thomas Hickman Centerville not published $9.67 – $41.76
HENDERSONVILLE MEDICAL CENTER HENDERSONVILLE not published $4.83 – $32.22
HORIZON MEDICAL CENTER DICKSON not published $4.83 – $32.22

All Tennessee hospitals for this procedure →