CMS Price Transparency Data

Blood test, potassium

Facility: University of Louisville Hospital

Billing Code: 84132 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 84132
Insurance Median: $18
Cash Discount Price: $9
vs. Medicare Baseline: 3.78x Medicare

The contracted insurance negotiated median rate for a Blood test, potassium at University of Louisville Hospital is $18. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $9. Compared to the federal Medicare reimbursement reference rate of $4.76, this hospital’s rate is 3.78x the Medicare baseline. Located in 530 South Jackson Street, Louisville, KY.

Cash / Self-Pay

Average discount available for prompt cash payment at this facility.

Insurance Median

$18

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$4.76

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $4.76 (100%)

Cash / Self-Pay: $9 (189%)

Insurance Median: $18 (378%)

Cash: $9 (189% of Medicare)

Ins. Median: $18 (378% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $4.76 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 378% of the Medicare baseline (a markup of 278%). 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	$4 - $41	84%
Humana	$4 - $7	84%
Aetna	$5 - $7	105%
Communicare	$5	105%
Devoted	$5 - $12	105%
Essence Health	$5	105%
Passport	$5 - $20	105%
Senior Care Community Of Ky	$5	105%
Signature	$5 - $20	105%
UnitedHealthcare	$5 - $20	105%
Va Ccn	$5	105%
Key Benefit Administrators	$6	126%
Velocity	$6 - $40	126%
Wellcare	$6 - $7	126%
Cigna	$8	168%
Prime Group Health	$10 - $35	210%
Cshn	$23 - $41	483%
Multiplan	$23 - $37	483%
Encore	$24 - $29	504%
Health Smart	$26 - $31	546%
Omca	$33 - $39	693%
Corvel	$35 - $41	735%
National Comp Care	$35 - $41	735%

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 $9.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 84132.

Insurance In-Network Protection Plan

Contact your insurance company to confirm University of Louisville Hospital is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 84132.
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.