CMS Price Transparency Data

Blood test, creatinine (kidney)

Facility: Northwestern Medicine Central Dupage Hospital

Billing Code: 82565 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 82565
Insurance Median: $43
Cash Discount Price: $53
vs. Medicare Baseline: 8.40x Medicare

The contracted insurance negotiated median rate for a Blood test, creatinine (kidney) at Northwestern Medicine Central Dupage Hospital is $43. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $53. Compared to the federal Medicare reimbursement reference rate of $5.12, this hospital’s rate is 8.40x the Medicare baseline. Located in 25 North Winfield Road, Winfield, IL.

Cash / Self-Pay

$53

Average discount available for prompt cash payment at this facility.

Insurance Median

$43

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$5.12

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $5.12 (100%)

Cash / Self-Pay: $53 (1035%)

Insurance Median: $43 (840%)

Cash: $53 (1035% of Medicare)

Ins. Median: $43 (840% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $5.12 as the cost baseline. Rates below the baseline represent excellent value. In-network commercial rates commonly hover around 150% - 250% of Medicare, while rates exceeding 300% are elevated. Hover over the green and blue markers to view detailed calculations.

Elevated Commercial Rate Alert (Value-Gap)

The negotiated rate at this facility is 840% of the Medicare baseline (a markup of 740%). Patients with high-deductible plans or out-of-network benefits may face excessive out-of-pocket costs.

Consult Patient Advocate

Out-of-Pocket Cost Estimator

Estimate whether it is more economical to use your insurance or pay the upfront self-pay cash rate.

Billing Status

Remaining Deductible ($)

Your Coinsurance Rate (%)

Input your details and click calculate to compare out-of-pocket costs.

Commercial Insurance Negotiated Rates

Negotiated contract ranges established by major commercial carriers at this facility.

Carrier / Plan Group	Contract Rate Range	vs. Medicare Reference
Blue Cross Blue Shield	$2 - $166	39%
Countycare Il Cook Co [1607]	$2 - $11	39%
Medicaid / KanCare	$2 - $11	39%
Aetna	$4 - $58	78%
Carelon Behavioral Health [159]	$13 - $83	254%
Health'S Finest Network [126]	$13 - $151	254%
Multiplan/Phcs [142]	$15 - $166	293%
Dreyer Med Ipa Advocate [1409]	$16 - $100	313%
Healthlink [125]	$16 - $105	313%
Humana	$16 - $166	313%
Magellan Behavioral Hlth [136]	$16 - $100	313%
Choicecare [177]	$20 - $127	391%
First Health Plan [6034]	$20 - $128	391%
Cigna	$21 - $133	410%
Compsych [112]	$21 - $133	410%
UnitedHealthcare	$26 - $166	508%

Self-Pay Upfront Cash Action Plan

Request a "Self-Pay classification" with the billing desk before receiving care.
Ask for a written "Prompt-Pay Discount" agreement quoting the price of $53.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 82565.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Northwestern Medicine Central Dupage Hospital is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 82565.
Confirm the specific physician or imaging center is also in-network (not just the hospital building).
Audit your Explanation of Benefits (EOB) against the final itemized hospital invoice.