CMS Price Transparency Data

Total knee replacement

Facility: Childrens Hospital of Wisconsin

Billing Code: 27447 (CPT)

The BaseRate · fair price low confidence

A fair price for this

$17,085

about 1.3× the $13,117 Medicare rate · typically $3,004–$32,653

modeled estimate · not a bill or quote

What this hospital charges insurers

$15,055

Below the fair price — a good deal

about $2,030 under the fair price · 1.1× Medicare

Medicare pays $13,117 Fair price $17,085 This hospital $15,055

How we calculate the fair BaseRate →

How this hospital compares to other WI hospitals

Highest price of the 9 WI hospitals we have prices for — worth calling around.

Cheapest $3,087 Priciest $15,055

Black dot = this hospital, among the 9 WI hospitals with a price for this procedure. Full list below.

A fair price for a Total knee replacement is about $17,085 (about 1.3× the $13,117 Medicare rate). Childrens Hospital of Wisconsin charges insurers about $15,055 — below the fair price — a good deal. Located in Milwaukee, WI.

What each insurance company pays

Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.

2 of 6 major insurers have a published price at this hospital

✓ UnitedHealthcare✓ Blue Cross Blue Shield AetnaCignaHumanaKaiser Permanente

Crossed out = this hospital hasn’t published a negotiated price for that insurer for this procedure. It doesn’t necessarily mean they aren’t accepted — ask your insurer.

Insurance company	Price range	vs. Medicare
UnitedHealthcaremajor	$25,306	193%
Blue Cross Blue Shieldmajor	$14,056 - $15,055	107%

Self-Pay How to get the cash price

Tell the billing desk you want to be billed as self-pay — not through insurance — before your visit.
Ask for the cash / prompt-pay discount in writing, with the exact price, before you agree to anything.
Get it in writing that they won’t also bill your insurance, so the cash price is what you owe.
Check the CPT code on your bill matches exactly: 27447.

Insurance Before you use insurance

Call your insurance company to confirm Childrens Hospital of Wisconsin is in-network.
Ask your insurer whether prior approval is required for CPT code 27447.
Confirm the doctor or provider is in-network too — not just the hospital building.
Check your Explanation of Benefits against the hospital’s final itemized bill.

Estimate your out-of-pocket cost

A rough estimate of what you’d pay with insurance (deductible + coinsurance) versus paying the cash price yourself.

How you’d pay

Deductible left to meet ($)

Your coinsurance (%)

Enter your details and press estimate to compare.

Other Procedures at Childrens Hospital of Wisconsin

Compare: Total knee replacement at other WI hospitals

Insurance negotiated median for the same procedure, sorted lowest first.