Free T3 test cost in Charleston, SC
In Charleston-North Charleston, SC, 5 hospitals list a cash price for free T3 thyroid hormone test: 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 outpatient — the setting a self-pay patient normally buys. 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 · (843) 792-2300 HB TRIIODOTHYRONINE T3 (FREE) | $90.50 | $181.00 | — | 50% | Apr 1, 2026 source file |
| Roper St Francis Hospital Berkeley Summerville, SC · (854) 529-3002 HC Assay of Triiodothyronine T3 Free | $117.65 | $181.00 | — | 35% | — source file |
| Roper Hospital Charleston, SC · (843) 724-2800 HC Assay of Triiodothyronine T3 Free | $117.65 | $181.00 | — | 35% | — source file |
| Roper St Francis Mount Pleasant Hospital Mount Pleasant, SC HC Assay of Triiodothyronine T3 Free | $117.65 | $181.00 | — | 35% | — source file |
| Bon Secours St Francis Xavier Hospital Charleston, SC · (843) 402-1006 HC Assay of Triiodothyronine T3 Free | $117.65 | $181.00 | — | 35% | — source file |
Outpatient: lowest $90.50, median $117.65, highest $117.65 — a 1.3× difference within the same market.
As an inpatient, the same code is billed by 5 facilities here, median $117.65. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
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.