Infectious agent antigen immunoassay ql/sq multi step clostridium difficile toxin at SKYLINE MADISON CAMPUS

3441 DICKERSON PIKE, NASHVILLE, TN · Tristarhealth · · NPI 1295780476

Source: hospital's published price file ↗ · Published Mar 12, 2026 · Ingested Sep 16, 2026

$408.00

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.

$408.00

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.

$5.39 with Wellpoint vs $399.84 with TriWest Healthcare — 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 $5.39 ↓ -99%
Aetna COMM $9.53 ↓ -98%
Aetna NewBusiness $9.53 ↓ -98%
Humana ChoicecareMGMCR $11.98 ↓ -97%
Sarah Cannon Research COMM $11.98 ↓ -97%
Devoted Health Plan MCR $11.98 ↓ -97%
Bright Health SmallGroup $11.98 ↓ -97%
Bright Health HIX $11.98 ↓ -97%
HealthSpring DualEligible $11.98 ↓ -97%
HealthSpring MCRHMO $11.98 ↓ -97%
HealthSpring MCRPOS $11.98 ↓ -97%
HealthSpring MCRPPO $11.98 ↓ -97%
Odyssey Healthcare COMM $11.98 ↓ -97%
Amerigroup MGMCR $11.98 ↓ -97%
United AllPayerAppendix $11.98 ↓ -97%
United CorePayer $11.98 ↓ -97%
Alive Hospice COMM $11.98 ↓ -97%
United HeritageSelect $11.98 ↓ -97%
United VACCN $11.98 ↓ -97%
Aetna MGMCRSNP $12.10 ↓ -97%
Aetna MGMCRHMO $12.10 ↓ -97%
Aetna MGMCRPPO $12.10 ↓ -97%
United MGMCR $12.22 ↓ -97%
BCBS MCR $12.34 ↓ -97%
WellCare MCR $12.34 ↓ -97%
Zing MGMCR $12.34 ↓ -97%
Ambetter Select $12.46 ↓ -97%
American Health Advantage MCRHMO $12.58 ↓ -97%
American Health Advantage MCRPFFS $12.58 ↓ -97%
American Health Advantage MCRSNP $12.58 ↓ -97%
Evergreen HMO MCR $12.58 ↓ -97%
American Health Advantage MCRPOS $12.58 ↓ -97%
American Health Advantage MCRPPO $12.58 ↓ -97%
Signature Advantage MCR $12.70 ↓ -97%
Ambetter CORE $12.94 ↓ -97%
ATRIO Golden Times MCR $13.18 ↓ -97%
Bright Health MCRNarrow $13.78 ↓ -97%
BCBS NetworkP $15.62 ↓ -96%
Prime Health WORKERSCOMP $17.25 ↓ -96%
NovaNET WORKERSCOMP $17.61 ↓ -96%
CorVel Corporation WORKERSCOMP $17.61 ↓ -96%
Cigna NewBusiness $21.33 ↓ -95%
Cigna OAP $24.23 ↓ -94%
BCBS TENNCARE $28.96 ↓ -93%
BCBS COVERKIDS $31.35 ↓ -92%
Oscar HIX $35.94 ↓ -91%
Humana BroadNetwork $47.92 ↓ -88%
Humana NarrowExchangeNetwork $47.92 ↓ -88%
Humana HumanaChoiceCare $47.92 ↓ -88%
Humana HumanaChoice $47.92 ↓ -88%
BCBS BlueCare $57.71 ↓ -86%
Kentucky Labor Cabinet WORKERSCOMP $75.11 ↓ -82%
Pruitt Health (AllyAlign) MCR $77.52 ↓ -81%
NHC Advantage, Inc. MCRHMO $77.52 ↓ -81%
United OptionsPPO $100.78 ↓ -75%
Humana TRICARE $102.00 ↓ -75%
Cigna PPO $133.01 ↓ -67%
Centurion PRISON $168.10 ↓ -59%
United GlobalBenefitPlan $183.60 ↓ -55%
Aetna NAP $204.00 ↓ -50%
BGFH SingleSource DIRECTNETWORK $204.00 ↓ -50%
Humana BH COMM $265.20 ↓ -35%
Employers Health Network COMM $285.60 ↓ -30%
MHNet COMM $306.00 ↓ -25%
Odom's TN Pride Sausage WORKERSCOMP $306.00 ↓ -25%
Multiplan COMM $334.56 ↓ -18%
BGFH SingleSource LEASEDNETWORK $346.80 ↓ -15%
Beech Street COMM $359.04 ↓ -12%
Prime Health COMMPPO $359.04 ↓ -12%
TriWest Healthcare FED $399.84 ↓ -2%

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step clostridium difficile toxin at other Tennessee hospitals

Hospital City Cash price Negotiated range
Ascension Saint Thomas Midtown Nashville $28.64 $4.31 – $46.28
CHI Memorial Hospital Hixson Hixson $33.45 $10.65 – $79.10
62-1166050 BMH Carroll County Huntingdon $44.39 $10.42 – $23.96
CHI Memorial Hospital Chattanooga Chattanooga $47.80 $10.65 – $79.10
Johnson City Medical Center JOHNSON CITY $20.10 $5.99 – $26.12
Ascension Saint Thomas DeKalb Smithville $28.64 $8.42 – $46.28
Ascension Saint Thomas Highlands Sparta $28.64 $8.42 – $46.28
Ascension Saint Thomas River Park McMinnville $28.64 $8.42 – $46.28

All Tennessee hospitals for this procedure →