Free T4 (thyroid) test at Montefiore Medical Center
CPT 84439 · Bronx, NY
These are Montefiore Medical Center's own posted figures from its standard-charges file dated September 28, 2026. They are not a quote. Source: the hospital's file · its price transparency page.
Across 84 New York hospitals we index that post a cash price for this service: lowest $9.00, median $38.20, highest $492.05. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| Jacobi Medical Center Bronx, NY | 2.6 mi | $9.02 | $37.80 | 2026-09-05 |
| Montefiore Mount Vernon Hospital Mount Vernon, NY | 2.8 mi | $98.80 | $152.00 | 2026-09-28 |
| St. Joseph's Medical Center Yonkers, NY | 5.0 mi | $9.02 | $113.00 | 2026-07-13 |
| St. John's Riverside Hospital Yonkers, NY | 5.0 mi | $236.30 | $278.00 | 2026-03-27 |
| Englewood Hospital and Medical Center Englewood, NJ | 5.4 mi | $40.00 | $400.00 | 2026-02-02 |
| Harlem Hospital Center New York, NY | 5.5 mi | $9.02 | $37.80 | 2026-09-05 |
| Mount Sinai Hospital New York, NY | 7.0 mi | $108.00 | $120.00 | 2026-04-01 |
| Metropolitan Hospital Center New York, NY | 7.0 mi | $9.02 | $37.80 | 2026-09-05 |
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 |
|---|---|---|---|---|
| CHG ASSAY OF FREE THYROXINE line 2283022 | both | $156.31 | $239.00 | $5.69 – $143.40 |
| HC ASSAY OF FREE THYROXINE line 39555 | outpatient | $415.00 | $9.00 – $583.07 | |
| Assay of free thyroxine line 1713367 | outpatient | $9.00 – $583.07 | ||
| CHG ASSAY OF FREE THYROXINE line 3189812 | both | $155.35 | $239.00 | $5.69 – $143.40 |
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 Montefiore Medical Center prices