Borrelia burgdorferi (lyme disease) antibody nonspecific at Advocate Illinois Masonic Medical Center

836 West Wellington Avenue, Chicago, IL · Advocate Health · · NPI 1912014564

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

$90.00

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.

$180.00

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.

$17.03 with United Healthcare Core Navigate vs $104.08 with Blue Cross Blue Shield — 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 Core Navigate Commercial $17.03 ↓ -81%
United Healthcare Charter Commercial $17.03 ↓ -81%
United Healthcare Nexus Commercial $17.03 ↓ -81%
United Healthcare HMO $17.03 ↓ -81%
Ambetter Medicare Advantage $24.69 ↓ -73%
Molina Medicare Advantage $24.69 ↓ -73%
Oscar Health HMO Medicare Advantage $25.55 ↓ -72%
HSTechnology Medicare Advantage $32.70 ↓ -64%
Advocate Employee Commercial $45.31 ↓ -50%
Private Healthcare Systems Commercial $62.10 ↓ -31%
Cigna One Health Commercial $77.38 ↓ -14%
Cigna Commercial $77.38 ↓ -14%
Blue Cross Blue Shield City of Chicago Commercial $91.46 ↑ +2%
Blue Cross Blue Shield Blue Precision Managed Care $92.00 ↑ +2%
Multiplan Commercial $92.00 ↑ +2%
Aetna Commercial $92.32 ↑ +3%
Blue Cross Blue Shield HMO $93.61 ↑ +4%
Blue Cross Blue Shield Choice Commercial $98.85 ↑ +10%
Blue Cross Blue Shield PPO $104.08 ↑ +16%

Visitor-reported prices

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Borrelia burgdorferi (lyme disease) antibody nonspecific at other Illinois hospitals

Hospital City Cash price Negotiated range
Advocate Trinity Hospital Chicago $90.00 $17.03 – $98.26
Ascension Saint Joseph - Chicago (Presence Chicago Hospital Network) Chicago $25.08 $12.77 – $70.83
MercyOne Genesis Silvis Medical Center Silvis $139.80 $9.15 – $87.40
MercyOne Genesis Aledo Medical Center Aledo $139.80 $19.58 – $33.84
Uchicago Medicine Adventhealth Hinsdale Hinsdale $40.00 $16.67 – $27.59
Advocate Christ Medical Center Oak Lawn $90.00 $17.03 – $95.94
Advocate Condell Medical Center Libertyville $90.00 $17.03 – $92.32
Advocate Good Samaritan Hospital Downers Grove $90.00 $17.03 – $98.26

All Illinois hospitals for this procedure →