Free T3 test cost in Green Bay, WI — inpatient
In Green Bay, WI, 5 hospitals list a cash price for free T3 thyroid hormone test as an inpatient: from $49.08 to $95.00, with a median of $72.60. The lowest listed price is at Bellin Memorial Health Inc — $23.52 less than the median here. Across Wisconsin, the median is $95.00 at 81 hospitals.
Cash prices at 5 facilities across 2 cities for code 84481, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Nov 21, 2025 and Jun 27, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Green Bay, WI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Bellin Memorial Health Inc lowest Green Bay, WI TRIIODOTHYRONINE T3; FREE | $49.08 | $106.00 | $52.47–$95.40 | 54% | Jun 27, 2026 source file |
| Bellin Memorial Health Inc lowest Green Bay, WI FREE T3 VMH | $49.08 | $106.00 | $52.47–$95.40 | 54% | Jun 27, 2026 source file |
| St Marys Hospital Medical Center of Green Bay INC Hospital Sisters Green Bay, WI HC T3 FREE | $72.60 | $110.00 | $16.62–$110.00 | 34% | — source file |
| St Clare Memorial Hospital Inc Oconto Falls, WI HC T3 FREE | $72.60 | $110.00 | $16.62–$110.00 | 34% | — source file |
| St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay, WI HC T3 FREE | $72.60 | $110.00 | $16.62–$110.00 | 34% | — source file |
| Aurora BayCare Medical Center Green Bay, WI T3, FREE | $95.00 | $190.00 | $114.00–$161.50 | 50% | Nov 21, 2025 source file |
| St Marys Hospital Medical Center of Green Bay INC Hospital Sisters Green Bay, WI FREE ASSAY (FT-3) | $143.88 | $218.00 | $16.62–$218.00 | 34% | — source file |
| St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay, WI FREE ASSAY (FT-3) | $143.88 | $218.00 | $16.62–$218.00 | 34% | — source file |
Inpatient: lowest $49.08, median $72.60, highest $95.00 — a 1.9× difference within the same market.
As an outpatient, the same code is billed by 5 facilities here, median $72.60 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 5 of 5 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 2 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What it is
Free T3 is the active thyroid hormone not bound to proteins. It is usually checked after TSH (84443) and free T4 (84439), mainly when an overactive thyroid is suspected.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.