Free T3 test cost in Charleston, SC — inpatient
In Charleston-North Charleston, SC, 5 hospitals list a cash price for free T3 thyroid hormone test as an inpatient: from $90.50 to $117.65, with a median of $117.65. The lowest listed price is at MUSC Medical Center — $27.15 less than the median here. Across South Carolina, the median is $117.65 at 18 hospitals.
Cash prices at 5 facilities across 3 cities for code 84481, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 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 Charleston-North Charleston, SC.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| MUSC Medical Center lowest Charleston, SC HB TRIIODOTHYRONINE T3 (FREE) | $90.50 | $181.00 | — | 50% | Apr 1, 2026 source file |
| Roper St Francis Mount Pleasant Hospital Mount Pleasant, SC HC Assay of Triiodothyronine T3 Free | $117.65 | $181.00 | — | 35% | — source file |
| Roper St Francis Hospital Berkeley INC Summerville, SC HC Assay of Triiodothyronine T3 Free | $117.65 | $181.00 | — | 35% | — source file |
| Bon Secours St Francis Xavier Hospital INC Charleston, SC HC Assay of Triiodothyronine T3 Free | $117.65 | $181.00 | — | 35% | — source file |
| Roper Hospital INC Charleston, SC HC Assay of Triiodothyronine T3 Free | $117.65 | $181.00 | — | 35% | — source file |
Inpatient: lowest $90.50, median $117.65, highest $117.65 — a 1.3× difference within the same market.
As an outpatient, the same code is billed by 5 facilities here, median $117.65 — that is the price to compare if you are not being admitted.
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.