Free T4 test cost in Maine
In Maine, 22 hospitals publish a cash price for free T4 (free thyroxine) thyroid blood test: from $9.00 to $387.20, with a median of $55.38. The lowest price is at Central Maine Medical Center (Lewiston). The highest price is 43.0× 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.
Lowest$9.00Central Maine Medical Center
Median$55.38half pay less
Highest$387.20in Maine
Lowest saves$46.38vs the median
Hospitals in Maine, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Central Maine Medical Center lowest Lewiston · Lewiston-Auburn, ME HC ASSAY OF FREE THYROXINE | $9.00 | $252.50 | Jun 25, 2026 source file |
| Eastern Maine Medical Center Bangor · Bangor, ME T4 FREE DIRECT DIALYSIS | $15.12 | $72.00 | — source file |
| Maine Coast Regional Health Facilities Ellsworth · Ellsworth, ME FT4 | $21.25 | $85.00 | — source file |
| The Aroostook Medical Center Presque Isle · Presque Isle, ME T4 FREE DIRECT DIALYSIS | $21.42 | $102.00 | — source file |
| York Hospital York · Portland-South Portland, ME FREE T4 DIRECT DIALYSIS | $23.40 | $39.00 | — source file |
| Acadia Hospital Bangor · Bangor, ME FREE T4 | $25.92 | $72.00 | — source file |
| MaineHealth Rockport · Rockport, ME HC ASSAY OF FREE THYROXINE | $26.75 | $26.75 | Sep 9, 2025 source file |
| MaineHealth Brunswick · Portland-South Portland, ME HC ASSAY OF FREE THYROXINE | $26.75 | $26.75 | Sep 9, 2025 source file |
| Mercy Hospital Portland · Portland-South Portland, ME THYROXINE FREE | $37.96 | $146.00 | — source file |
| Mayo Regional Hospital Dover Foxcroft · Dover Foxcroft, ME Free T4 | $51.48 | $156.00 | — source file |
| Sebasticook Valley Health Pittsfield · Pittsfield, ME T4 FREE DIRECT DIALYSIS | $53.04 | $156.00 | — source file |
| Blue Hill Memorial Hospital Blue Hill · Blue Hill, ME FREE T4 | $57.72 | $156.00 | — source file |
| St Mary's Regional Medical Center Lewiston · Lewiston-Auburn, ME HC SO T4 FREE | $61.94 | $163.00 | — source file |
| Rumford Hospital Rumford · Rumford, ME HC ASSAY OF FREE THYROXINE | $73.00 | $252.50 | Apr 29, 2026 source file |
| Bridgton Hospital Bridgton · Portland-South Portland, ME HC ASSAY OF FREE THYROXINE | $78.00 | $252.50 | Apr 29, 2026 source file |
| Charles A. Dean Memorial Hospital Greenville · Greenville, ME T4 FREE DIRECT DIALYSIS | $78.00 | $156.00 | — source file |
| MaineHealth Biddeford · Portland-South Portland, ME HC ASSAY OF FREE THYROXINE | $82.95 | $82.95 | Sep 9, 2025 source file |
| MaineHealth Norway · Norway, ME HC ASSAY OF FREE THYROXINE | $95.80 | $95.80 | Sep 9, 2025 source file |
| MaineHealth Farmington · Farmington, ME HC ASSAY OF FREE THYROXINE | $99.80 | $99.80 | Sep 9, 2025 source file |
| MaineHealth Damariscotta · Damariscotta, ME HC ASSAY OF FREE THYROXINE | $132.30 | $132.30 | Sep 9, 2025 source file |
| MaineHealth Belfast · Belfast, ME HC ASSAY OF FREE THYROXINE | $156.35 | $156.35 | Sep 9, 2025 source file |
| MaineHealth Portland · Portland-South Portland, ME B* HC ASSAY OF FREE THYROXINE | $387.20 | $387.20 | Sep 9, 2025 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Portland-South Portland, ME | 6 | $23.40 | $57.98 |
| Bangor, ME | 2 | $15.12 | $20.52 |
| Lewiston-Auburn, ME | 2 | $9.00 | $35.47 |
| Belfast, ME | 1 | $156.35 | $156.35 |
| Blue Hill, ME | 1 | $57.72 | $57.72 |
| Damariscotta, ME | 1 | $132.30 | $132.30 |
| Dover Foxcroft, ME | 1 | $51.48 | $51.48 |
| Ellsworth, ME | 1 | $21.25 | $21.25 |
| Farmington, ME | 1 | $99.80 | $99.80 |
| Greenville, ME | 1 | $78.00 | $78.00 |
| Norway, ME | 1 | $95.80 | $95.80 |
| Pittsfield, ME | 1 | $53.04 | $53.04 |
| Presque Isle, ME | 1 | $21.42 | $21.42 |
| Rockport, ME | 1 | $26.75 | $26.75 |
| Rumford, ME | 1 | $73.00 | $73.00 |
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
- 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
- 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.