Total T3 test cost in St. Louis, MO — inpatient
In St. Louis, MO-IL, 6 hospitals list a cash price for total triiodothyronine (T3) blood test as an inpatient: from $51.12 to $623.60, with a median of $146.87. The lowest listed price is at St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis — $95.75 less than the median here. Across Missouri, the median is $75.20 at 63 hospitals.
Cash prices at 6 facilities across 6 cities for code 84480, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Feb 6, 2026 and Feb 9, 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 St. Louis, MO-IL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis lowest O'Fallon, IL · (618) 234-2120 HC T3 TOTAL source file | $51.12 | $71.00 | $9.27–$71.00 | 28% |
| Community Hospital of Staunton Staunton, IL · (618) 635-2200 FREE T3 QUEST+1 more line at this price File of Feb 9, 2026 · source file | $92.25 | $184.50 | $156.82–$167.90 | 50% |
| Anderson Hospital Maryville, IL · (618) 288-5711 FREE T3 QUEST File of Feb 6, 2026 · source file | $137.50 | $275.00 | $206.25–$247.50 | 50% |
| Anderson Hospital Maryville, IL · (618) 288-5711 TRIIODOTHYRONINE (T3) File of Feb 6, 2026 · source file | $141.30 | $282.60 | $211.95–$254.34 | 50% |
| Hshs Holy Family Hospital Greenville, IL · (618) 664-1230 HC T3 TOTAL-90 source file | $156.24 | $217.00 | $9.74–$217.00 | 28% |
| Carlinville Area Hospital Carlinville, IL · (217) 854-3141 TOTAL T-3 (REF) source file | $209.30 | $299.00 | $185.98–$3,396.04 | 30% |
| Gateway Regional Medical Center Granite City, IL · (618) 798-3000 T3,TOTAL source file | $623.60 | $1,039.33 | $1,039.33 | 40% |
Inpatient: lowest $51.12, median $146.87, highest $623.60 — a 12.2× difference within the same market.
As an outpatient, the same code is billed by 13 facilities here, median $111.50 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 6 of 6 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 3 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
A total T3 test measures the thyroid hormone triiodothyronine. It is used 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.