Infectious agent antigen immunoassay ql/sq multi step hepatitis b surface agn at Advocate Trinity Hospital

2320 East 93rd Street, Chicago, IL · Advocate Health · · NPI 1558479212

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

$72.50

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.

$145.00

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.

$10.33 with United Healthcare Charter vs $116.00 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 $10.33 ↓ -86%
United Healthcare Core Navigate Commercial $10.33 ↓ -86%
United Healthcare Nexus Commercial $10.33 ↓ -86%
United Healthcare HMO $10.33 ↓ -86%
Molina Medicare Advantage $14.98 ↓ -79%
Ambetter Medicare Advantage $14.98 ↓ -79%
Oscar Health HMO Medicare Advantage $15.50 ↓ -79%
HSTechnology Medicare Advantage $19.83 ↓ -73%
Cigna Commercial $47.62 ↓ -34%
Cigna One Health Commercial $47.62 ↓ -34%
Blue Cross Blue Shield City of Chicago Commercial $49.56 ↓ -32%
Blue Cross Blue Shield Choice Commercial $53.60 ↓ -26%
Aetna Commercial $55.99 ↓ -23%
Blue Cross Blue Shield PPO $56.41 ↓ -22%
Advocate Employee Commercial $57.13 ↓ -21%
Private Healthcare Systems Commercial $89.90 ↑ +24%
Blue Cross Blue Shield Blue Precision Managed Care $102.23 ↑ +41%
Blue Cross Blue Shield HMO $104.11 ↑ +44%
Multiplan Commercial $116.00 ↑ +60%

Visitor-reported prices

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Infectious agent antigen immunoassay ql/sq multi step hepatitis b surface agn at other Illinois hospitals

Hospital City Cash price Negotiated range
Advocate Illinois Masonic Medical Center Chicago $72.50 $10.33 – $116.00
Ascension Saint Joseph - Chicago (Presence Chicago Hospital Network) Chicago $26.73 $7.75 – $43.59
MercyOne Genesis Silvis Medical Center Silvis $65.40 $8.01 – $57.04
MercyOne Genesis Aledo Medical Center Aledo $65.40 $11.88 – $29.14
Uchicago Medicine Adventhealth Hinsdale Hinsdale $30.75 $10.11 – $16.73
Advocate Christ Medical Center Oak Lawn $72.50 $10.33 – $116.00
Advocate Condell Medical Center Libertyville $72.50 $10.33 – $116.00
Advocate Good Samaritan Hospital Downers Grove $72.50 $10.33 – $116.00

All Illinois hospitals for this procedure →