Assay of interleukin-6 (il-6) at Northwestern Medicine Delnor Hospital

300 Randall Rd., Geneva, IL · Nm · · NPI 1407859655

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 17, 2026

$242.20

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.

$346.00

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.

$7.75 with BLUE CROSS BLUE SHIELD [1401] vs $52.00 with UNITED HEALTHCARE [158] — 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
BLUE CROSS BLUE SHIELD [1401] DCH BCBS BLUECHOICE OPTIONS $7.75 ↓ -97%
BLUE CROSS BLUE SHIELD [1401] DCH BCBS BLUECHOICE SELECT $7.75 ↓ -97%
AETNA HEALTH PLAN [171] DCH AETNA NM EMPLOYEES $8.48 ↓ -96%
BLUE CROSS BLUE SHIELD [1401] DCH BCBS BLUECHOICE PREFERRED $9.36 ↓ -96%
CIGNA HEALTH PLAN [178] DCH CIGNA ALTERNATIVE $11.34 ↓ -95%
ALTERNATE BLUE CROSS [1402] DCH BCBS PPO $12.12 ↓ -95%
BLUE CROSS BLUE SHIELD [1401] DCH BCBS PPO $12.12 ↓ -95%
CIGNA HEALTH PLAN [178] DCH CIGNA BROAD $25.48 ↓ -89%
CARELON BEHAVIORAL HEALTH [159] DCH BEACON HEALTH OPTIONS BHS $26.00 ↓ -89%
HEALTH'S FINEST NETWORK [126] DCH HFN NMH TIER ONE $26.00 ↓ -89%
BLUE CROSS BLUE SHIELD [1401] DCH BCBS PAR/INDEMNITY ADP $29.07 ↓ -88%
HEALTHLINK [125] DCH SEIU HEALTHLINK $32.76 ↓ -86%
HEALTH'S FINEST NETWORK [126] DCH HFN PLAT $33.80 ↓ -86%
FIRST HEALTH PLAN [6034] DCH FIRST HEALTH $35.88 ↓ -85%
ALTERNATE BLUE CROSS [1402] DCH BCBS HMO $36.25 ↓ -85%
BLUE CROSS BLUE SHIELD [1401] DCH BCBS HMO $36.25 ↓ -85%
MULTIPLAN/PHCS [142] DCH PHCS $39.00 ↓ -84%
HEALTH'S FINEST NETWORK [126] DCH HFN EPO $39.00 ↓ -84%
COMPSYCH [112] DCH COMPSYCH $41.60 ↓ -83%
CIGNA HEALTH PLAN [178] DCH CIGNA BEHAVIORAL BHS $41.60 ↓ -83%
HEALTH'S FINEST NETWORK [126] DCH HFN PPO $44.20 ↓ -82%
MULTIPLAN/PHCS [142] DCH MULTIPLAN $46.80 ↓ -81%
BEECHSTREET [176] DCH BEECH STREET/CAPP CARE $46.80 ↓ -81%
MULTIPLAN/PHCS [142] DCH NON-CONTRACTED PAYORS $52.00 ↓ -79%
UNITED HEALTHCARE [158] DCH UHC NON-CONTRACTED OON - ED ONLY $52.00 ↓ -79%
BCBS MEDICARE ADVANTAGE [1304] DCH BLUE CROSS MMAI (MEDICARE) not published by hospital
ALTERNATE HUMANA MEDICARE ADV [2409] DCH HUMANA MEDICARE ADVT not published by hospital
COUNTYCARE IL COOK CO [1607] DCH ILLINOIS MEDICAID not published by hospital
JOURNEYCARE INC HOSPICE [1275] DCH JOURNEYCARE HOSPICE not published by hospital
ALTERNATE BLUE CROSS MEDICARE ADV [2304] DCH BLUE CROSS MEDICARE ADVT not published by hospital
OPTUM/UNITED BEHAVIORAL HEALTH [157] DCH UNITED BEHAVIORAL HEALTH not published by hospital
HUMANA HEALTH PLAN [130] DCH ADVOCATE IPA not published by hospital
GLOBAL EXCEL [1712] DCH MEDICARE not published by hospital
HEALTH ALLIANCE MEDICAID [1310] DCH ILLINOIS MEDICAID not published by hospital
BLUE CROSS MEDICAID [1612] DCH ILLINOIS MEDICAID not published by hospital
BLUE CROSS BLUE SHIELD [1401] DCH ADVOCATE IPA not published by hospital

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Assay of interleukin-6 (il-6) at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $82.80 $9.81 – $126.96
MercyOne Genesis Aledo Medical Center Aledo $82.80 $17.27 – $64.86
Uchicago Medicine Adventhealth Hinsdale Hinsdale $32.50 $16.91 – $27.98
Advocate Christ Medical Center Oak Lawn $100.00 $17.27 – $160.00
Northwestern Memorial Hospital Chicago $214.90 not published
Advocate Condell Medical Center Libertyville $100.00 $17.27 – $160.00
Advocate Good Samaritan Hospital Downers Grove $100.00 $17.27 – $160.00
UnityPoint Health - Trinity Moline Rock Island $64.28 $3.50 – $35.43

All Illinois hospitals for this procedure →