Free T4 test cost in Minnesota
In Minnesota, 50 hospitals publish a cash price for free T4 (free thyroxine) thyroid blood test: from $11.37 to $138.00, with a median of $65.27. The lowest price is at Fairview Bethesda Hospital (St. Paul). The highest price is 12.1× 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 Minnesota, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Fairview Bethesda Hospital lowest St. Paul · Minneapolis-St. Paul-Bloomington, MN-WI HC T4, FREE | $11.37 | $28.33 | Jan 29, 2026 source file |
| Grand Itasca Clinic and Hospital Grand Rapids · Grand Rapids, MN HC T4, FREE EQUILIBRIUM DIALYSIS | $12.33 | $29.00 | Jan 28, 2026 source file |
| Range Regional Health Services Hibbing · Duluth, MN-WI HC T4, FREE | $12.33 | $28.99 | Jan 29, 2026 source file |
| Allina Health Faribault Medical Center Faribualt · Faribault-Northfield, MN HCHG T4FREE LCC | $13.38 | $23.90 | Jun 16, 2026 source file |
| Buffalo Hospital Buffalo · Minneapolis-St. Paul-Bloomington, MN-WI HCHG T4FREE LCC | $13.38 | $23.90 | Jun 16, 2026 source file |
| Cambridge Medical Center Cambridge · Minneapolis-St. Paul-Bloomington, MN-WI HCHG T4FREE LCC | $13.38 | $23.90 | Jun 16, 2026 source file |
| Owatonna Hospital Owatonna · Owatonna, MN HCHG T4FREE LCC | $13.38 | $23.90 | Jun 16, 2026 source file |
| Abbott Northwestern Hospital Minneapolis · Minneapolis-St. Paul-Bloomington, MN-WI HCHG T4FREE LCC | $15.50 | $32.30 | Jun 16, 2026 source file |
| Allina United Hospital St. Paul · St. Paul, MN HCHG T4FREE LCC | $15.50 | $32.30 | Jun 16, 2026 source file |
| Mercy Hospital Coon Rapids · Minneapolis-St. Paul-Bloomington, MN-WI HCHG T4FREE LCC | $15.50 | $32.30 | Jun 17, 2026 source file |
| Fairview Lakes Health Services Wyoming · Minneapolis-St. Paul-Bloomington, MN-WI PR ASSAY OF FREE THYROXINE | $15.68 | $25.00 | Feb 5, 2026 source file |
| Fairview Northland Regional Hospital Princeton · Minneapolis-St. Paul-Bloomington, MN-WI PR ASSAY OF FREE THYROXINE | $15.68 | $25.00 | Jan 29, 2026 source file |
| M Health Fairview University of Mn Medical Center Minneapolis · Minneapolis-St. Paul-Bloomington, MN-WI PR T4, FREE | $15.68 | $25.00 | Feb 6, 2026 source file |
| Hutchinson Hospital Hutchinson · Hutchinson, MN Chemistry | $17.48 | $38.00 | — source file |
| Methodist Hospital St. Louis Park · Minneapolis-St. Paul-Bloomington, MN-WI Chemistry | $17.68 | $68.00 | — source file |
| Maple Grove Hospital Maple Grove · Minneapolis-St. Paul-Bloomington, MN-WI Thyroxine (thyroid chemical) measurement | $17.92 | $34.00 | — source file |
| North Memorial Health Care Robbinsdale · Minneapolis-St. Paul-Bloomington, MN-WI Thyroxine (thyroid chemical) measurement | $17.92 | $34.00 | — source file |
| New Ulm Medical Center New Ulm · New Ulm, MN HCHG T4FREE LCC | $18.03 | $32.20 | Jun 16, 2026 source file |
| Regions Hospital St. Paul · Minneapolis-St. Paul-Bloomington, MN-WI Chemistry | $26.52 | $102.00 | — source file |
| HealthEast St John's Hospital Maplewood · Minneapolis-St. Paul-Bloomington, MN-WI HC T4, FREE | $30.78 | $76.74 | Feb 5, 2026 source file |
| HealthEast Woodwinds Hospital Woodbury · Minneapolis-St. Paul-Bloomington, MN-WI HC T4, FREE | $30.78 | $76.74 | Feb 5, 2026 source file |
| M Health Fairview Southdale Hospital Edina · Minneapolis-St. Paul-Bloomington, MN-WI HC T4, FREE | $30.78 | $76.74 | Feb 6, 2026 source file |
| M Health Fairview Ridges Hospital Burnsville · Minneapolis-St. Paul-Bloomington, MN-WI HC T4, FREE | $33.16 | $78.00 | Feb 6, 2026 source file |
| Aspirus St. Luke’s Hospital Duluth · Duluth, MN-WI Fac Assay of Free Thyroxine | $59.30 | $109.00 | Apr 1, 2026 source file |
| Saint Elizabeth’s Hospital of Wabasha Wabasha · Rochester, MN THYROXINE; FREE (FT4) | $63.34 | $104.00 | Jun 27, 2026 source file |
| Sanford Luverne Medical Center Luverne · Sioux Falls, SD-MN ASSAY OF FREE THYROXINE 84439 | $67.20 | $84.00 | Mar 4, 2026 source file |
| Sanford Jackson Hospital Jackson · Jackson, MN ASSAY OF FREE THYROXINE 84439 | $68.00 | $85.00 | Mar 4, 2026 source file |
| Essentia Health Virginia Virginia · Duluth, MN-WI THYROXIN, FREE (FREE T4) | $68.45 | $109.00 | Jan 1, 2026 source file |
| Essentia Health St. Mary's - Detroit Lakes Detroit Lakes · Detroit Lakes, MN THYROXIN, FREE (FREE T4) | $69.98 | $109.00 | — source file |
| Essentia Health Duluth Duluth · Duluth, MN-WI THYROXIN, FREE (FREE T4) | $71.94 | $109.00 | Jan 1, 2026 source file |
| Essentia Health St. Mary's Children's Hospital Duluth · Duluth, MN-WI THYROXIN, FREE (FREE T4) | $71.94 | $109.00 | Jan 1, 2026 source file |
| Essentia Health St. Mary's Medical Center Duluth · Duluth, MN-WI THYROXIN, FREE (FREE T4) | $71.94 | $109.00 | Jan 1, 2026 source file |
| Essentia Health St. Joseph's Medical Center Brainerd · Brainerd, MN THYROXIN, FREE (FREE T4) | $73.36 | $109.00 | Jan 1, 2026 source file |
| Olivia Hospital Olivia · Olivia, MN Chemistry | $76.25 | $125.00 | — source file |
| Lakeview Hospital Stillwater · Minneapolis-St. Paul-Bloomington, MN-WI Chemistry | $79.18 | $214.00 | — source file |
| Essentia Health Ada Ada · Ada, MN THYROXIN, FREE (FREE T4) | $80.55 | $109.00 | Jan 1, 2026 source file |
| Essentia Health Deer River Deer River · Grand Rapids, MN THYROXIN, FREE (FREE T4) | $80.55 | $109.00 | Jan 1, 2026 source file |
| Essentia Health Fosston Fosston · Grand Forks, ND-MN THYROXIN, FREE (FREE T4) | $80.55 | $109.00 | Jan 1, 2026 source file |
| Essentia Health Holy Trinity Hospital Graceville · Graceville, MN THYROXIN, FREE (FREE T4) | $80.55 | $109.00 | Jan 1, 2026 source file |
| Essentia Health Moose Lake Moose Lake · Duluth, MN-WI THYROXIN, FREE (FREE T4) | $80.55 | $109.00 | Jan 1, 2026 source file |
| Essentia Health Northern Pines Aurora · Duluth, MN-WI THYROXIN, FREE (FREE T4) | $80.55 | $109.00 | Jan 1, 2026 source file |
| Essentia Health Sandstone Sandstone · Sandstone, MN THYROXIN, FREE (FREE T4) | $80.55 | $109.00 | Jan 1, 2026 source file |
| Sanford Wheaton Wheaton · Wheaton, MN ASSAY OF FREE THYROXINE 84439 | $81.60 | $102.00 | Mar 4, 2026 source file |
| Sanford Canby Medical Center Canby · Canby, MN ASSAY OF FREE THYROXINE 84439 | $87.20 | $109.00 | Mar 4, 2026 source file |
| Sanford Behavioral Health Thief River Falls Thief River Falls · Thief River Falls, MN ASSAY OF FREE THYROXINE 84439 | $89.60 | $112.00 | Mar 4, 2026 source file |
| Sanford Thief River Falls Medical Center Thief River Falls · Thief River Falls, MN ASSAY OF FREE THYROXINE 84439 | $89.60 | $112.00 | Mar 4, 2026 source file |
| Aspirus Lake View Hospital Two Harbors · Two Harbors, MN Fac Assay of Free Thyroxine | $89.71 | $109.00 | Apr 1, 2026 source file |
| Sanford Tracy Hospital Tracy · Marshall, MN FREE T4 BY EQ DIALYSIS SO 84439.900 | $92.80 | $116.00 | Mar 4, 2026 source file |
| Sanford Westbrook Hospital Westbrook · Westbrook, MN FREE T4 BY EQ DIALYSIS SO 84439.900 | $92.80 | $116.00 | Mar 4, 2026 source file |
| Childrens Health Care Minneapolis · Minneapolis-St. Paul-Bloomington, MN-WI FREE T4 THYROXINE | $138.00 | $138.00 | May 7, 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 |
|---|---|---|---|
| Minneapolis-St. Paul-Bloomington, MN-WI | 18 | $11.37 | $17.80 |
| Duluth, MN-WI | 8 | $12.33 | $71.94 |
| Grand Rapids, MN | 2 | $12.33 | $46.44 |
| Thief River Falls, MN | 2 | $89.60 | $89.60 |
| Ada, MN | 1 | $80.55 | $80.55 |
| Brainerd, MN | 1 | $73.36 | $73.36 |
| Canby, MN | 1 | $87.20 | $87.20 |
| Detroit Lakes, MN | 1 | $69.98 | $69.98 |
| Faribault-Northfield, MN | 1 | $13.38 | $13.38 |
| Graceville, MN | 1 | $80.55 | $80.55 |
| Grand Forks, ND-MN | 1 | $80.55 | $80.55 |
| Hutchinson, MN | 1 | $17.48 | $17.48 |
| Jackson, MN | 1 | $68.00 | $68.00 |
| Marshall, MN | 1 | $92.80 | $92.80 |
| New Ulm, MN | 1 | $18.03 | $18.03 |
| Olivia, MN | 1 | $76.25 | $76.25 |
| Owatonna, MN | 1 | $13.38 | $13.38 |
| Rochester, MN | 1 | $63.34 | $63.34 |
| Sandstone, MN | 1 | $80.55 | $80.55 |
| St. Paul, MN | 1 | $15.50 | $15.50 |
| Sioux Falls, SD-MN | 1 | $67.20 | $67.20 |
| Two Harbors, MN | 1 | $89.71 | $89.71 |
| Westbrook, MN | 1 | $92.80 | $92.80 |
| Wheaton, MN | 1 | $81.60 | $81.60 |
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
- 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
- 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.