Free T4 (thyroid) test at Trinitas Regional Medical Center
CPT 84439 · Elizabeth, NJ
These are Trinitas Regional Medical Center's own posted figures from its standard-charges file dated March 4, 2026. They are not a quote. Source: the hospital's file · its price transparency page.
Across 42 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.
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[48378] | outpatient | $9.92 | $154.00 | $4.24 – $98.20 |
| ASSAY OF FREE THYROXINE standard_charge_information[7894] | outpatient | $4.24 – $7.58 | ||
| ASSAY OF FREE THYROXINE standard_charge_information[7902] | outpatient | $7.58 – $7.58 | ||
| ASSAY OF FREE THYROXINE standard_charge_information[7906] | 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 Trinitas Regional Medical Center prices