Phosphorus 24 hour urine at Advocate Christ Medical Center

4440 West 95th Street, Oak Lawn, IL · Advocate Health · · NPI 1548375082

Source: hospital's published price file ↗ · Published Nov 4, 2025 · Ingested Aug 12, 2026

$57.50

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.

$115.00

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.

$5.78 with United Healthcare Charter vs $64.00 with Multiplan — 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 Charter Commercial $5.78 ↓ -90%
United Healthcare Core Navigate Commercial $5.78 ↓ -90%
United Healthcare Nexus Commercial $5.78 ↓ -90%
United Healthcare HMO $5.78 ↓ -90%
Molina Medicare Advantage $8.38 ↓ -85%
Ambetter Medicare Advantage $8.38 ↓ -85%
Oscar Health HMO Medicare Advantage $8.67 ↓ -85%
HSTechnology Medicare Advantage $11.10 ↓ -81%
Blue Cross Blue Shield City of Chicago Commercial $24.21 ↓ -58%
Blue Cross Blue Shield Choice Commercial $26.17 ↓ -54%
Cigna One Health Commercial $26.79 ↓ -53%
Cigna Commercial $26.79 ↓ -53%
Blue Cross Blue Shield PPO $27.55 ↓ -52%
Aetna Commercial $28.06 ↓ -51%
Advocate Employee Commercial $31.52 ↓ -45%
Private Healthcare Systems Commercial $53.60 ↓ -7%
Blue Cross Blue Shield Blue Precision Managed Care $56.48 ↓ -2%
Blue Cross Blue Shield HMO $57.60 ↑ +0%
Multiplan Commercial $64.00 ↑ +11%

Visitor-reported prices

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Phosphorus 24 hour urine at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $32.40 $4.42 – $29.44
MercyOne Genesis Aledo Medical Center Aledo $32.40 $6.65 – $15.04
Uchicago Medicine Adventhealth Hinsdale Hinsdale $22.50 $5.66 – $9.36
Advocate Condell Medical Center Libertyville $57.50 $5.78 – $64.00
Advocate Good Samaritan Hospital Downers Grove $57.50 $5.78 – $64.00
UnityPoint Health - Trinity Moline Rock Island $33.57 $3.47 – $18.50
Uchicago Medicine Adventhealth La Grange La Grange $22.50 $5.59 – $9.36
SSM Health Good Samaritan Hospital - Mt. Vernon Mount Vernon $16.50 $5.78 – $6.07

All Illinois hospitals for this procedure →