Free T4 (thyroid) test at Robert Wood Johnson University Hospital at Hamilton
CPT 84439 · Hamilton, NJ
These are Robert Wood Johnson University Hospital at Hamilton's own posted figures from its standard-charges file dated March 5, 2026. They are not a quote. Source: the hospital's file · its price transparency page.
Across 43 New Jersey hospitals we index that post a cash price for this service: lowest $9.00, median $9.92, highest $1,473.00. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| Capital Health Regional Medical Center Trenton, NJ | 5.8 mi | $1,473.00 | $1,473.00 | 2026-06-24 |
| Capital Health Medical Center - Hopewell Pennington, NJ | 10.0 mi | $1,473.00 | $1,473.00 | 2026-06-24 |
| Lower Bucks Hospital Bristol, PA | 12.9 mi | $9.00 | $355.00 | 2026-09-01 |
| St. Mary Medical Center Langhorne, PA | 13.7 mi | $66.30 | $102.00 | 2026-03-31 |
| Virtua Mount Holly Hospital Mount Holly, NJ | 16.5 mi | $18.30 | $183.00 | 2026-04-01 |
| Virtua Willingboro Hospital Willingboro, NJ | 18.2 mi | $18.30 | $183.00 | 2026-04-01 |
| Centrastate Medical Center Freehold, NJ | 19.7 mi | $140.83 | $1,313.00 | 2026-01-01 |
| Robert Wood Johnson University Hospital New Brunswick, NJ | 21.2 mi | $9.92 | $138.00 | 2026-03-04 |
Distances are straight-line from ZIP code centers. Each hospital's figures come from its own file; files are updated on different dates.
Every row for CPT 84439 in this hospital's file
| Row in the hospital's file | Setting | Cash | Gross | Insurer min – max |
|---|---|---|---|---|
| HC Assay of Free Thyroxine - T4 Free standard_charge_information[60736] | outpatient | $9.92 | $179.00 | $4.24 – $152.15 |
| ASSAY OF FREE THYROXINE standard_charge_information[10063] | outpatient | $4.24 – $7.58 | ||
| ASSAY OF FREE THYROXINE standard_charge_information[10071] | outpatient | $7.58 – $7.58 | ||
| ASSAY OF FREE THYROXINE standard_charge_information[10075] | outpatient | $4.24 – $4.96 |
The first row is the one used above. A price for one code usually covers the hospital's facility charge only; the doctor, anesthesia, pathology and other services can be billed separately. Ask the hospital for a good faith estimate before a scheduled service: if you pay yourself and the bill comes in $400 or more above the estimate, you can dispute it under the No Surprises Act.
Check a bill from this hospital All Robert Wood Johnson University Hospital at Hamilton prices