Mayo organic acid methylmalonic single quantitative at Advocate Childrens Hospital - Park Ridge

1775 Dempster Street, Park Ridge, IL · Advocate Health · · NPI 1508315516

Source: hospital's published price file ↗ · Published Nov 4, 2025 · Ingested Aug 13, 2026

$105.00

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.

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What you pay up front if you don't use insurance.

$210.00

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.

$21.21 with United Healthcare Charter vs $168.00 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 $21.21 ↓ -80%
United Healthcare Core Navigate Commercial $21.21 ↓ -80%
United Healthcare Nexus Commercial $21.21 ↓ -80%
United Healthcare HMO $21.21 ↓ -80%
Molina Medicare Advantage $30.75 ↓ -71%
Ambetter Medicare Advantage $30.75 ↓ -71%
Oscar Health HMO Medicare Advantage $31.82 ↓ -70%
HSTechnology Medicare Advantage $40.72 ↓ -61%
Blue Cross Blue Shield City of Chicago Commercial $77.76 ↓ -26%
Advocate Employee Commercial $82.74 ↓ -21%
Blue Cross Blue Shield Choice Commercial $84.02 ↓ -20%
Blue Cross Blue Shield PPO $88.47 ↓ -16%
Aetna Commercial $89.22 ↓ -15%
Cigna One Health Commercial $96.73 ↓ -8%
Cigna Commercial $96.73 ↓ -8%
Blue Cross Blue Shield Blue Precision Managed Care $152.67 ↑ +45%
Blue Cross Blue Shield HMO $155.19 ↑ +48%
Private Healthcare Systems Commercial $168.00 ↑ +60%
Multiplan Commercial $168.00 ↑ +60%

Visitor-reported prices

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Mayo organic acid methylmalonic single quantitative at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $225.60 $9.81 – $90.16
MercyOne Genesis Aledo Medical Center Aledo $225.60 $24.39 – $46.06
Uchicago Medicine Adventhealth Hinsdale Hinsdale $37.50 $18.50 – $34.36
Advocate Christ Medical Center Oak Lawn $105.00 $21.21 – $168.00
Advocate Condell Medical Center Libertyville $105.00 $21.21 – $168.00
Advocate Good Samaritan Hospital Downers Grove $105.00 $21.21 – $168.00
UnityPoint Health - Trinity Moline Rock Island $64.28 $3.50 – $35.43
Uchicago Medicine Adventhealth La Grange La Grange $37.50 $17.78 – $34.36

All Illinois hospitals for this procedure →