Free T4 test cost in North Dakota
In North Dakota, 8 hospitals publish a cash price for Free T4 (free thyroxine) thyroid blood test: from $11.37 to $108.12, with a median of $32.13. The lowest price is at Mercy Hospital of Devils Lake (Devils Lake). The highest price is 9.5× 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 23, 2026.
Hospitals in North Dakota, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Mercy Hospital of Devils Lake lowest Devils Lake · Devils Lake, ND THYROXINE FREE | $11.37 | $27.06 | Feb 28, 2026 source file |
| Carrington Health Center Carrington · Carrington, ND THYROXINE FREE | $15.70 | $27.06 | Feb 28, 2026 source file |
| Mercy Medical Center Williston · Williston, ND THYROXINE FREE | $15.70 | $27.06 | Feb 28, 2026 source file |
| St Joseph's Hospital and Health Center Dickinson · Dickinson, ND THYROXINE FREE | $17.05 | $27.06 | Feb 28, 2026 source file |
| Sanford Hillsboro Medical Center Hillsboro · Hillsboro, ND ASSAY OF FREE THYROXINE 84439 | $47.20 | $59.00 | Mar 4, 2026 source file |
| Sanford Mayville Medical Center Mayville · Mayville, ND ASSAY OF FREE THYROXINE 84439 | $47.20 | $59.00 | Mar 4, 2026 source file |
| Essentia Health Fargo S Fargo · Fargo, ND-MN THYROXIN, FREE (FREE T4) | $81.75 | $109.00 | Jan 1, 2026 source file |
| St. Alexius Medical Center Bismarck · Bismarck, ND HC T4 FREE | $108.12 | $212.00 | Feb 28, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Bismarck, ND | 1 | $108.12 | $108.12 |
| Carrington, ND | 1 | $15.70 | $15.70 |
| Devils Lake, ND | 1 | $11.37 | $11.37 |
| Dickinson, ND | 1 | $17.05 | $17.05 |
| Fargo, ND-MN | 1 | $81.75 | $81.75 |
| Hillsboro, ND | 1 | $47.20 | $47.20 |
| Mayville, ND | 1 | $47.20 | $47.20 |
| Williston, ND | 1 | $15.70 | $15.70 |
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
- New York$48.47
- North Carolina$78.40
- 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.