Free T4 (thyroid) test at Montefiore New Rochelle Hospital
CPT 84439 · New Rochelle, NY
These are Montefiore New Rochelle Hospital'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.
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 line 44612 | outpatient | $98.80 | $152.00 | $9.00 – $121.60 |
| Assay of free thyroxine line 67229 | outpatient | $9.00 – $121.60 | ||
| HC ASSAY OF FREE THYROXINE line 990451 | outpatient | $152.00 | $12.00 – $744.00 |
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 New Rochelle Hospital prices