Free T4 test cost in New York
In New York, 64 hospitals publish a cash price for free T4 (free thyroxine) thyroid blood test: from $6.16 to $375.21, with a median of $48.47. The lowest price is at Westfield Memorial Hospital (Westfield). The highest price is 60.9× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 84439. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 24, 2026.
Hospitals in New York, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Westfield Memorial Hospital lowest Westfield · Jamestown-Dunkirk, NY CHG ASSAY OF FREE THYROXINE | $6.16 | $28.00 | Apr 14, 2026 source file |
| Mercy Hospital of Buffalo Buffalo · Buffalo-Cheektowaga, NY free T4, unbound thyroxine blood test | $9.00 | $22.00 | — source file |
| Mount St. Mary's Hospital Lewiston · Buffalo-Cheektowaga, NY free T4, unbound thyroxine blood test | $9.00 | $22.00 | — source file |
| Sisters of Charity Hospital Buffalo · Buffalo-Cheektowaga, NY free T4, unbound thyroxine blood test | $9.00 | $22.00 | — source file |
| Bellevue Hospital Center New York · New York-Newark-Jersey City, NY-NJ CHG ASSAY OF FREE THYROXINE | $9.02 | $23.00 | Sep 5, 2026 source file |
| Jacobi Medical Center Bronx · New York-Newark-Jersey City, NY-NJ HC THYROXINE; FREE, ADDITIONAL | $9.02 | $37.80 | Sep 5, 2026 source file |
| Kings County Hospital Center Brooklyn · New York-Newark-Jersey City, NY-NJ HC THYROXINE; FREE | $9.02 | $37.80 | Sep 5, 2026 source file |
| Metropolitan Hospital Center New York · New York-Newark-Jersey City, NY-NJ HC THYROXINE; FREE | $9.02 | $37.80 | Sep 5, 2026 source file |
| New York City Health and Hospitals Broadway Elmhurst · New York-Newark-Jersey City, NY-NJ HC THYROXINE; FREE, ADDITIONAL | $9.02 | $37.80 | Sep 5, 2026 source file |
| New York City Health and Hospitals Jamaica · New York-Newark-Jersey City, NY-NJ HC THYROXINE; FREE, ADDITIONAL | $9.02 | $37.80 | Sep 5, 2026 source file |
| NYU Langone Mineola · New York-Newark-Jersey City, NY-NJ HC ASSAY OF FREE THYROXINE | $10.82 | $148.90 | Jan 1, 2026 source file |
| NYU Langone Brooklyn · New York-Newark-Jersey City, NY-NJ HC ASSAY OF FREE THYROXINE | $10.82 | $148.90 | Jan 1, 2026 source file |
| NYU Langone New York · New York-Newark-Jersey City, NY-NJ HC ASSAY OF FREE THYROXINE | $10.82 | $148.90 | Jan 1, 2026 source file |
| NYU Langone Hospital - Suffolk Patchogue · New York-Newark-Jersey City, NY-NJ HC ASSAY OF FREE THYROXINE | $10.82 | $148.90 | Jan 1, 2026 source file |
| Flushing Hospital Medical Center Flushing · New York-Newark-Jersey City, NY-NJ ASSAY OF FREE THYROXINE | $18.00 | $18.00 | — source file |
| Jamaica Hospital Medical Center Jamaica · New York-Newark-Jersey City, NY-NJ ASSAY OF FREE THYROXINE | $18.00 | $18.00 | — source file |
| UPMC Chautauqua Jamestown · Jamestown-Dunkirk, NY T4 (THYROXINE) FREE S | $21.60 | $36.00 | — source file |
| Niagara Falls Memorial Medical Center Niagara Falls · Buffalo-Cheektowaga, NY THYROXINE (THYROID CHEMICAL); FREE | $25.95 | $37.07 | — source file |
| Nicholas H. Noyes Memorial Hospital Dansville · Rochester, NY HB Assay of Free Thyroxine | $27.00 | — | — source file |
| F.F. Thompson Hospital Canandaigua · Rochester, NY HB Assay of Free Thyroxine | $28.00 | — | — source file |
| Memorial Hosp of Wm F & Gertrude F Jones A/K/A Jones Memorial Hosp Wellsville · Wellsville, NY HB Assay of Free Thyroxine | $30.00 | — | — source file |
| Cayuga Medical Center at Ithaca Ithaca · Ithaca, NY HC Assay of Free Thyroxine - T4 Free | $30.24 | $151.20 | Mar 27, 2026 source file |
| Clifton Springs Hospital And Clinic Clifton Springs · Rochester, NY HC FREE THYROXINE | $32.62 | $50.19 | Apr 1, 2026 source file |
| Newark-Wayne Community Hospital Newark · Rochester, NY HC FREE THYROXINE | $32.62 | $50.19 | Apr 1, 2026 source file |
| Rochester General Hospital Rochester · Rochester, NY HC FREE THYROXINE | $32.62 | $50.19 | Apr 1, 2026 source file |
| United Memorial Medical Center Batavia · Batavia, NY HC FREE THYROXINE | $32.62 | $50.19 | Apr 1, 2026 source file |
| St Josephs Hospital Health Center Syracuse · Syracuse, NY HC Quest T4 (Thyroxine) Direct Dialysis | $33.80 | $52.00 | Mar 31, 2026 source file |
| Erie County Medical Center Buffalo · Buffalo-Cheektowaga, NY FREE T4 BY DIALYSIS | $38.40 | $108.58 | Aug 25, 2026 source file |
| The Unity Hospital of Rochester Rochester · Rochester, NY HC FREE THYROXINE | $40.15 | $50.19 | Apr 1, 2026 source file |
| Highland Hospital Rochester · Rochester, NY HB Assay of Free Thyroxine | $42.50 | — | — source file |
| Strong Memorial Hospital Rochester · Rochester, NY HB Assay of Free Thyroxine | $42.50 | — | — source file |
| Maimonides Medical Center Brooklyn · New York-Newark-Jersey City, NY-NJ THYROXINE FREE | $48.00 | $48.00 | Apr 1, 2026 source file |
| Schuyler Hospital Montour Falls · Montour Falls, NY HC Assay of Free Thyroxine - T4 Free | $48.93 | $244.65 | Mar 27, 2026 source file |
| St. James Hospital Hornell · Corning, NY HB Assay of Free Thyroxine | $66.00 | — | — source file |
| Gouverneur Hospital Gouverneur · Massena-Ogdensburg, NY HC FREE THYROXINE | $70.33 | $108.20 | — source file |
| Arnot Ogden Medical Center Elmira · Elmira, NY HC Assay of Free Thyroxine - T4 Free | $75.09 | $375.45 | Mar 27, 2026 source file |
| Ira Davenport Memorial Hospital Bath · Corning, NY HC Assay of Free Thyroxine - T4 Free | $75.09 | $375.45 | Mar 27, 2026 source file |
| St. Joseph's Hospital Campus Elmira · Elmira, NY HC Assay of Free Thyroxine - T4 Free | $75.09 | $375.45 | Mar 27, 2026 source file |
| Crouse Hospital Syracuse · Syracuse, NY 84439 ASSAY OF FREE THYROXINE_02 | $79.00 | $79.00 | — source file |
| Canton-Potsdam Hospital Potsdam · Massena-Ogdensburg, NY HC FREE THYROXINE | $79.06 | $121.63 | Apr 1, 2026 source file |
| Alice Hyde Medical Center Malone · Malone, NY HC - MAYO T4, FREE | $82.00 | $82.00 | Apr 28, 2026 source file |
| Roswell Park Cancer Institute Buffalo · Buffalo-Cheektowaga, NY T4, Free | $86.06 | $86.06 | Apr 1, 2026 source file |
| Mount Sinai Behavioral Health Center New York · New York-Newark-Jersey City, NY-NJ HC Thyroxine (T4) Free | $108.00 | $120.00 | Apr 1, 2026 source file |
| Mount Sinai Brooklyn Brooklyn · New York-Newark-Jersey City, NY-NJ HC Thyroxine (T4) Free | $108.00 | $120.00 | Apr 1, 2026 source file |
| Mount Sinai Morningside New York · New York-Newark-Jersey City, NY-NJ HC Thyroxine (T4) Free | $108.00 | $120.00 | Apr 1, 2026 source file |
| Mount Sinai Queens Long Island · New York-Newark-Jersey City, NY-NJ HC Thyroxine (T4) Free | $108.00 | $120.00 | Apr 1, 2026 source file |
| The Mount Sinai Hospital New York · New York-Newark-Jersey City, NY-NJ HC Thyroxine (T4) Free | $108.00 | $120.00 | Apr 1, 2026 source file |
| Nassau University Medical Center East Meadow · New York-Newark-Jersey City, NY-NJ Chem Se Free Thyrox | $108.18 | $154.53 | Oct 28, 2025 source file |
| Samaritan Hospital Troy · Albany-Schenectady-Troy, NY HC Labcorp 224576 T4 (Thyroxine) Free | $110.50 | $170.00 | Mar 31, 2026 source file |
| St Peters Hospital Albany · Albany-Schenectady-Troy, NY HC Labcorp T4 (Thyroxine) Free | $110.50 | $170.00 | Mar 31, 2026 source file |
| Sunnyview Rehab Hospital Schenectady · Albany-Schenectady-Troy, NY HC T4 (Thyroxine) Free | $110.50 | $170.00 | Mar 31, 2026 source file |
| Slhs Massena Massena · Massena-Ogdensburg, NY HC FREE THYROXINE | $136.24 | $209.60 | Apr 1, 2026 source file |
| Guthrie Cortland Medical Center Cortland · Cortland, NY Free T4 by Dialysis | $144.80 | $181.00 | — source file |
| Stony Brook Southampton Hospital Southampton · New York-Newark-Jersey City, NY-NJ ASSAY OF FREE THYROXINE | $154.65 | $154.65 | — source file |
| Memorial Hospital for Cancer and Allied Diseases New York · New York-Newark-Jersey City, NY-NJ HC T4 (Thyroxine), Free by Dialysis, Serum | $163.00 | $163.00 | Dec 1, 2025 source file |
| Memorial Hospital for Cancer and Allied Diseases West Harrison · New York-Newark-Jersey City, NY-NJ HC T4 (Thyroxine), Free by Dialysis, Serum | $163.00 | $163.00 | Dec 1, 2025 source file |
| St Johns Episcopal Hospital Far Rockaway · New York-Newark-Jersey City, NY-NJ ASSAY OF FREE THYROXINE | $166.95 | $166.95 | — source file |
| Champlain Valley Physicians Hospital Medical Center Plattsburgh · Plattsburgh, NY HC - MAYO T4, FREE | $173.00 | $173.00 | Apr 28, 2026 source file |
| St Johns Riverside Hospital Park Care Pavillion Yonkers · New York-Newark-Jersey City, NY-NJ ASSAY OF FREE THYROXINE | $236.30 | $278.00 | — source file |
| New York Eye and Ear Infirmary of Mount Sinai New York · New York-Newark-Jersey City, NY-NJ THYROXINE, FREE | $273.24 | $303.60 | Apr 1, 2026 source file |
| Stony Brook University Hospital Stony Brook · New York-Newark-Jersey City, NY-NJ THYROXINE (THYROID CHEMICAL); FREE | $281.00 | $281.00 | — source file |
| Elizabethtown Community Hospital Elizabethtown · Elizabethtown, NY HC - ASSAY OF FREE THYROXIN | $307.00 | $307.00 | Apr 28, 2026 source file |
| Corning Hospital Corning · Corning, NY Free T4 by Dialysis | $338.96 | $423.70 | — source file |
| Brooklyn Hospital Center at Downtown Campus Brooklyn · New York-Newark-Jersey City, NY-NJ THYROXINE (THYROID CHEMICAL); FREE | $375.21 | $375.21 | — source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| New York-Newark-Jersey City, NY-NJ | 27 | $9.02 | $108.00 |
| Rochester, NY | 8 | $27.00 | $32.62 |
| Buffalo-Cheektowaga, NY | 6 | $9.00 | $17.48 |
| Albany-Schenectady-Troy, NY | 3 | $110.50 | $110.50 |
| Corning, NY | 3 | $66.00 | $75.09 |
| Massena-Ogdensburg, NY | 3 | $70.33 | $79.06 |
| Elmira, NY | 2 | $75.09 | $75.09 |
| Jamestown-Dunkirk, NY | 2 | $6.16 | $13.88 |
| Syracuse, NY | 2 | $33.80 | $56.40 |
| Batavia, NY | 1 | $32.62 | $32.62 |
| Cortland, NY | 1 | $144.80 | $144.80 |
| Elizabethtown, NY | 1 | $307.00 | $307.00 |
| Ithaca, NY | 1 | $30.24 | $30.24 |
| Malone, NY | 1 | $82.00 | $82.00 |
| Montour Falls, NY | 1 | $48.93 | $48.93 |
| Plattsburgh, NY | 1 | $173.00 | $173.00 |
| Wellsville, NY | 1 | $30.00 | $30.00 |
What it is
A free T4 test measures thyroxine that is not bound to proteins, the active form of the main thyroid hormone. It is usually ordered with or after a TSH test to check for an underactive or overactive thyroid and to adjust thyroid medicine.
What the price covers
The price usually covers the free T4 test only. The blood draw and the TSH test (84443) are billed separately.
Free T4 (free thyroxine) thyroid blood test in other states
- Alabama$74.96
- Alaska$68.40
- Arizona$17.45
- Arkansas$48.10
- California$68.12
- Colorado$49.00
- Connecticut$55.55
- Delaware$157.92
- Florida$70.60
- Georgia$137.67
- Hawaii$44.40
- Idaho$40.00
- Illinois$82.08
- Indiana$72.25
- Iowa$61.18
- Kansas$109.75
- Kentucky$113.03
- Louisiana$37.66
- Maine$55.38
- Maryland$44.06
- Massachusetts$43.62
- Michigan$37.00
- Minnesota$65.27
- Mississippi$24.48
- Missouri$87.90
- Montana$51.20
- Nebraska$63.84
- Nevada$65.41
- New Hampshire$78.53
- New Jersey$10.37
- New Mexico$125.20
- North Carolina$78.40
- North Dakota$32.13
- Ohio$40.30
- Oklahoma$61.33
- Oregon$44.25
- Pennsylvania$63.90
- Puerto Rico$18.00
- Rhode Island$72.00
- South Carolina$105.00
- South Dakota$64.80
- Tennessee$27.50
- Texas$39.51
- Utah$84.43
- Vermont$114.00
- Virginia$57.00
- Washington$63.84
- West Virginia$45.75
- Wisconsin$70.85
- Wyoming$18.62
Median cash price across the state's hospitals.