Tb test cell mediated immunity antigen response gamma interferon 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

$108.05

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.

$108.05

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.

$19.89 with Kentucky Labor Cabinet 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
Kentucky Labor Cabinet WORKERSCOMP $19.89 ↓ -82%
Pruitt Health (AllyAlign) MCR $20.53 ↓ -81%
NHC Advantage, Inc. MCRHMO $20.53 ↓ -81%
Apex Health MCR $20.53 ↓ -81%
United OptionsPPO $26.36 ↓ -76%
Humana TRICARE $27.01 ↓ -75%
Wellpoint MGMCD $27.89 ↓ -74%
Amerigroup MGMCR $33.50 ↓ -69%
Cigna PPO $33.71 ↓ -69%
United GlobalBenefitPlan $48.62 ↓ -55%
Aetna COMM $49.28 ↓ -54%
Aetna NewBusiness $49.28 ↓ -54%
BGFH SingleSource DIRECTNETWORK $54.02 ↓ -50%
Aetna NAP $54.02 ↓ -50%
Multiplan COMM $59.43 ↓ -45%
Humana ChoicecareMGMCR $61.98 ↓ -43%
United CorePayer $61.98 ↓ -43%
United HeritageSelect $61.98 ↓ -43%
Bright Health HIX $61.98 ↓ -43%
United AllPayerAppendix $61.98 ↓ -43%
Bright Health SmallGroup $61.98 ↓ -43%
Sarah Cannon Research COMM $61.98 ↓ -43%
Zing MGMCR $63.84 ↓ -41%
WellCare MCR $63.84 ↓ -41%
Ambetter Select $64.46 ↓ -40%
Southern Health Partners Prison $64.83 ↓ -40%
American Health Advantage MCRHMO $65.08 ↓ -40%
Healthspring MCRHMOTMN $65.08 ↓ -40%
Devoted Health Plan MCR $65.08 ↓ -40%
Healthspring MCRHMONonTMN $65.08 ↓ -40%
Healthspring MCRPPO $65.08 ↓ -40%
Evergreen HMO MCR $65.08 ↓ -40%
United VACCN $65.08 ↓ -40%
American Health Advantage MCRPFFS $65.08 ↓ -40%
American Health Advantage MCRSNP $65.08 ↓ -40%
American Health Advantage MCRPPO $65.08 ↓ -40%
American Health Advantage MCRPOS $65.08 ↓ -40%
Aetna MGMCRHMO $65.73 ↓ -39%
Aetna MGMCRSNP $65.73 ↓ -39%
Aetna MGMCRPPO $65.73 ↓ -39%
Ambetter CORE $66.94 ↓ -38%
ATRIO Golden Times MCR $68.18 ↓ -37%
Signature Advantage MCR $68.98 ↓ -36%
BCBS TENNCARE $70.35 ↓ -35%
Bright Health MCRNarrow $74.84 ↓ -31%
Employers Health Network COMM $75.64 ↓ -30%
BCBS COVERKIDS $75.98 ↓ -30%
Odom's TN Pride Sausage WORKERSCOMP $81.04 ↓ -25%
BCBS NetworkP $84.56 ↓ -22%
Prime Health WORKERSCOMP $89.25 ↓ -17%
CorVel Corporation WORKERSCOMP $91.11 ↓ -16%
NovaNET WORKERSCOMP $91.11 ↓ -16%
BGFH SingleSource LEASEDNETWORK $91.84 ↓ -15%
Beech Street COMM $99.41 ↓ -8%
Cigna NewBusiness $110.74 ↑ +2%
Cigna OAP $125.77 ↑ +16%
Oscar HIX $185.94 ↑ +72%
BCBS BlueCare $203.31 ↑ +88%
Humana NarrowExchangeNetwork $247.92 ↑ +129%
Humana HumanaChoice $247.92 ↑ +129%
Humana HumanaChoiceCare $247.92 ↑ +129%
Humana BroadNetwork $247.92 ↑ +129%
BCBS MCR $2,000.00 ↑ +1751%

Visitor-reported prices

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Tb test cell mediated immunity antigen response gamma interferon at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $166.46 $22.31 – $240.43
CHI Memorial Hospital Hixson Hixson $24.87 $55.06 – $116.52
62-1166050 BMH Carroll County Huntingdon $53.36 $53.92 – $123.96
CHI Memorial Hospital Chattanooga Chattanooga $35.54 $17.64 – $116.52
Johnson City Medical Center JOHNSON CITY $108.45 $30.99 – $135.12
Ascension Saint Thomas DeKalb Smithville $166.46 $43.46 – $240.43
Ascension Saint Thomas Highlands Sparta $166.46 $43.46 – $240.43
Ascension Saint Thomas River Park McMinnville $166.46 $43.46 – $240.43

All Tennessee hospitals for this procedure →