Potassium serum/plasma/whole blood at Uchicago Medicine Adventhealth Hinsdale

120 North Oak St, Hinsdale, IL · AdventHealth · · NPI 1265465439

Source: hospital's published price file ↗ · Published Apr 1, 2026 · Ingested Sep 10, 2026

$20.00

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.

$80.00

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.

$4.66 with Bcbs vs $31.85 with Cigna — 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
Bcbs Medicare Managed Care Plan $4.66 ↓ -77%
Aetna Medicare Managed Care Plan $4.76 ↓ -76%
Unitedhealthcare Centene Medicare Managed Care Plan $4.81 ↓ -76%
Cigna Medicare Managed Care Plan $4.90 ↓ -76%
Meridian Medicare Managed Care Plan $5.00 ↓ -75%
Cigna Exchange $5.17 ↓ -74%
Aetna Better Health Medicare Managed Care Plan $5.28 ↓ -74%
Bcbs Villagemd Other Commercial Plan $5.47 ↓ -73%
Bcbs Access Community Health Hmo $5.71 ↓ -71%
Actin Care All Commercial Plans $5.95 ↓ -70%
Molina Exchange $7.14 ↓ -64%
Unitedhealthcare Hmo/Ppo $7.70 ↓ -62%
Ambetter Exchange $7.71 ↓ -61%
Cigna One Health Hmo $9.47 ↓ -53%
Aetna Hmo/Ppo $14.28 ↓ -29%
Cigna Hmo/Ppo $31.85 ↑ +59%

Visitor-reported prices

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Potassium serum/plasma/whole blood at other Illinois hospitals

Hospital City Cash price Negotiated range
MercyOne Genesis Silvis Medical Center Silvis $54.00 $4.42 – $46.00
MercyOne Genesis Aledo Medical Center Aledo $54.00 $5.47 – $20.68
Advocate Christ Medical Center Oak Lawn $37.50 $4.76 – $44.00
Advocate Condell Medical Center Libertyville $37.50 $4.76 – $44.00
Advocate Good Samaritan Hospital Downers Grove $37.50 $4.76 – $44.00
UnityPoint Health - Trinity Moline Rock Island $33.57 $2.86 – $18.50
Uchicago Medicine Adventhealth La Grange La Grange $20.00 $4.66 – $7.71
SSM Health Good Samaritan Hospital - Mt. Vernon Mount Vernon $52.25 $4.76 – $5.00

All Illinois hospitals for this procedure →