Free T3 test cost in San Juan, PR
In San Juan-Bayamón-Caguas, PR, 2 hospitals list a cash price for free T3 thyroid hormone test: from $45.00 to $135.00, with a median of $90.00. The lowest listed price is at Doctors' Center Hospital - San Juan — $45.00 less than the median here. Across Puerto Rico, the median is $69.72 at 5 hospitals.
Cash prices at 2 facilities across 2 cities for code 84481, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in San Juan-Bayamón-Caguas, PR.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Doctors' Center Hospital - San Juan lowest Santurce, PR · (787) 723-2950 T3 Free | $45.00 | $45.00 | $17.00–$115.00 | — | — source file |
| Doctors' Center Hospital - Bayamon Bayamon, PR · (787) 622-5420 T3 Free | $135.00 | $135.00 | $17.00–$115.00 | — | — source file |
Outpatient: lowest $45.00, median $90.00, highest $135.00 — a 3.0× difference within the same market.
Cash or insurance?
At 1 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it 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.