Glucose tolerance test (gtt) 3 specimens 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

$1,172.73

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.

$1,172.73

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.

$5.79 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 $5.79 ↓ -100%
Aetna NewBusiness $10.23 ↓ -99%
Aetna COMM $10.23 ↓ -99%
BCBS NetworkP $11.93 ↓ -99%
Bright Health SmallGroup $12.87 ↓ -99%
Sarah Cannon Research COMM $12.87 ↓ -99%
Humana ChoicecareMGMCR $12.87 ↓ -99%
United AllPayerAppendix $12.87 ↓ -99%
United CorePayer $12.87 ↓ -99%
United HeritageSelect $12.87 ↓ -99%
Bright Health HIX $12.87 ↓ -99%
WellCare MCR $13.26 ↓ -99%
Zing MGMCR $13.26 ↓ -99%
Ambetter Select $13.38 ↓ -99%
Devoted Health Plan MCR $13.51 ↓ -99%
American Health Advantage MCRPPO $13.51 ↓ -99%
American Health Advantage MCRPOS $13.51 ↓ -99%
Healthspring MCRPPO $13.51 ↓ -99%
American Health Advantage MCRSNP $13.51 ↓ -99%
United VACCN $13.51 ↓ -99%
American Health Advantage MCRHMO $13.51 ↓ -99%
Healthspring MCRHMOTMN $13.51 ↓ -99%
Evergreen HMO MCR $13.51 ↓ -99%
American Health Advantage MCRPFFS $13.51 ↓ -99%
Healthspring MCRHMONonTMN $13.51 ↓ -99%
Aetna MGMCRSNP $13.65 ↓ -99%
Aetna MGMCRPPO $13.65 ↓ -99%
Aetna MGMCRHMO $13.65 ↓ -99%
Ambetter CORE $13.90 ↓ -99%
ATRIO Golden Times MCR $14.16 ↓ -99%
Signature Advantage MCR $14.32 ↓ -99%
BCBS TENNCARE $14.45 ↓ -99%
Bright Health MCRNarrow $15.54 ↓ -99%
BCBS COVERKIDS $15.61 ↓ -99%
Prime Health WORKERSCOMP $18.53 ↓ -98%
NovaNET WORKERSCOMP $18.92 ↓ -98%
CorVel Corporation WORKERSCOMP $18.92 ↓ -98%
Cigna NewBusiness $23.06 ↓ -98%
Cigna OAP $26.19 ↓ -98%
Oscar HIX $38.61 ↓ -97%
BCBS BlueCare $41.76 ↓ -96%
Humana HumanaChoice $51.48 ↓ -96%
Humana HumanaChoiceCare $51.48 ↓ -96%
Humana NarrowExchangeNetwork $51.48 ↓ -96%
Humana BroadNetwork $51.48 ↓ -96%
Kentucky Labor Cabinet WORKERSCOMP $215.90 ↓ -82%
Apex Health MCR $222.82 ↓ -81%
NHC Advantage, Inc. MCRHMO $222.82 ↓ -81%
Pruitt Health (AllyAlign) MCR $222.82 ↓ -81%
United OptionsPPO $286.15 ↓ -76%
Humana TRICARE $293.18 ↓ -75%
Amerigroup MGMCR $363.55 ↓ -69%
Cigna PPO $365.89 ↓ -69%
United GlobalBenefitPlan $527.73 ↓ -55%
BGFH SingleSource DIRECTNETWORK $586.37 ↓ -50%
Aetna NAP $586.37 ↓ -50%
Multiplan COMM $645.00 ↓ -45%
Southern Health Partners Prison $703.64 ↓ -40%
Employers Health Network COMM $820.91 ↓ -30%
Odom's TN Pride Sausage WORKERSCOMP $879.55 ↓ -25%
BGFH SingleSource LEASEDNETWORK $996.82 ↓ -15%
Beech Street COMM $1,078.91 ↓ -8%
BCBS MCR $2,000.00 ↑ +71%

Visitor-reported prices

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Glucose tolerance test (gtt) 3 specimens at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $48.56 $4.63 – $49.66
CHI Memorial Hospital Hixson Hixson $17.17 $11.44 – $40.60
62-1166050 BMH Carroll County Huntingdon $114.31 $11.20 – $25.74
CHI Memorial Hospital Chattanooga Chattanooga $24.54 $11.44 – $40.60
Johnson City Medical Center JOHNSON CITY $17.70 $6.44 – $28.06
Ascension Saint Thomas DeKalb Smithville $48.56 $9.03 – $49.66
Ascension Saint Thomas Highlands Sparta $48.56 $9.03 – $49.66
Ascension Saint Thomas River Park McMinnville $48.56 $9.03 – $49.66

All Tennessee hospitals for this procedure →