Lab tests CPT 84439 Outpatient

Free T4 test cost in Shawano, WI

In Shawano, WI, 1 hospital lists a cash price for free T4 (free thyroxine) thyroid blood test: from $36.74 to $36.74, with a median of $36.74. Across Wisconsin, the median is $70.85 at 81 hospitals.

Cash prices at 1 facility for code 84439, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$36.74ThedaCare Regional Medical Center-Shawano
Median$36.74half pay less
Highest$36.74in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Shawano, WI.

median
Lowest $36.74Highest $36.74

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
ThedaCare Regional Medical Center-Shawano lowest Shawano, WI · (715) 526-2111 T4, FREE $36.74 $65.60 — 44% —
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ThedaCare Regional Medical Center-Shawano lowest Shawano, WI · (715) 526-2111 ASSAY OF FREE THYROXINE $36.74 $65.60 — 44% —
source file

Outpatient: lowest $36.74, median $36.74, highest $36.74.

What it is

A free T4 test measures thyroxine that is not bound to proteins, the active form of the main thyroid hormone. It is usually ordered with or after a TSH test to check for an underactive or overactive thyroid and to adjust thyroid medicine.

What the price covers

The price usually covers the free T4 test only. The blood draw and the TSH test (84443) are billed separately.