Chromogenic substrate assay at Aurora Medical Center Fond du Lac

210 Wisconsin American Dr., Fond Du Lac, WI · Aurorahealthcare · · NPI 1275578064

Source: hospital's published price file ↗ · Published Nov 21, 2025 · Ingested Sep 16, 2026

$137.50

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.

$275.00

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.

$9.51 with United Healthcare vs $233.75 with Anthem — 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
United Healthcare HMO $9.51 ↓ -93%
United Healthcare Nexus $9.51 ↓ -93%
United Healthcare Exchange $9.51 ↓ -93%
United Healthcare Charter $9.51 ↓ -93%
Anthem Blue Priority $11.89 ↓ -91%
Aurora Caregiver Commercial $11.89 ↓ -91%
Anthem Blue Preferred $14.27 ↓ -90%
Common Ground Exchange $24.97 ↓ -82%
Common Ground Employee Trust Fund $24.97 ↓ -82%
Centivo Commercial $25.99 ↓ -81%
Common Ground Envision $25.99 ↓ -81%
Aetna HMO $26.51 ↓ -81%
Quartz One Commercial $29.73 ↓ -78%
Health Payment Systems Commercial $29.73 ↓ -78%
HealthPartners Employee Trust Fund $31.54 ↓ -77%
Molina Exchange Commercial $32.82 ↓ -76%
HS Technology Commercial $33.46 ↓ -76%
Cigna PPO-GPPO $34.41 ↓ -75%
Quartz Group Commercial $34.48 ↓ -75%
Everpointe Elite Commercial $35.09 ↓ -74%
Wisconsin Physician Service Aurora Featured $38.52 ↓ -72%
HealthPartners Robin $40.37 ↓ -71%
Wisconsin Physician Service Statewide $40.54 ↓ -71%
Wisconsin Physician Service Arise $40.54 ↓ -71%
Trilogy Commercial $41.72 ↓ -70%
Health EOS Plus Commercial $165.00 ↑ +20%
HealthPartners Broad $206.25 ↑ +50%
Health EOS PPO $220.00 ↑ +60%
Aetna PPO $227.15 ↑ +65%
United Healthcare PPO $231.55 ↑ +68%
Cigna PPO $232.65 ↑ +69%
Anthem PPO $233.75 ↑ +70%

Visitor-reported prices

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Chromogenic substrate assay at other Wisconsin hospitals

Hospital City Cash price Negotiated range
SSM Health St. Agnes Hospital - Fond du Lac Fond Du Lac not published $8.92 – $22.95
Ascension Columbia St. Mary's Hospital - Ozaukee Campus (Columbia St. Mary's Hospital Milwaukee, Inc.) Mequon $40.81 $11.89 – $51.59
UnityPoint Health - Meriter Hospital Madison $119.20 $7.13 – $48.60
Aurora Sinai Medical Center of Aurora Health Care Metro Milwaukee $137.50 $9.51 – $41.72
Aurora Medical Center Summit Summit $137.50 $9.51 – $41.72
Aurora Baycare Medical Center Green Bay $137.50 $9.51 – $41.72
Aurora Medical Center Manitowoc Two Rivers $137.50 $9.51 – $41.72
Aurora West Allis Medical Center West Allis $137.50 $9.51 – $41.72

All Wisconsin hospitals for this procedure →