Free T4 test cost in Kentucky
In Kentucky, 15 hospitals publish a cash price for free T4 (free thyroxine) thyroid blood test: from $12.96 to $251.77, with a median of $113.03. The lowest price is at University of Kentucky Hospital (Lexington). The highest price is 19.4× 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 Kentucky, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| University of Kentucky Hospital lowest Lexington · Lexington-Fayette, KY Hc 972 T4 Free By Dialys Mayo-So+ | $12.96 | $32.40 | Apr 1, 2026 source file |
| Deaconess Henderson Hospital Henderson · Henderson, KY T4 FREE | $23.80 | $68.00 | Feb 9, 2026 source file |
| Methodist Hospital Union County Morganfield · Morganfield, KY CHG ASSAY OF FREE THYROXINE | $23.80 | $68.00 | Feb 13, 2026 source file |
| Marcum and Wallace Memorial Hospital Irvine · Richmond-Berea, KY HC So T4 Free | $27.60 | $46.00 | — source file |
| King's Daughters' Medical Center Ashland · Huntington-Ashland, WV-KY-OH HCHG T4 FREE BY DIALYSIS | $61.28 | $153.20 | Oct 14, 2025 source file |
| Norton Hospitals Louisville · Louisville/Jefferson County, KY-IN HB T4 FREE | $70.80 | $354.00 | Feb 11, 2026 source file |
| Mercy Health Lourdes Hospital Paducah · Paducah, KY-IL HC Assay of Free Thyroxine | $96.60 | $161.00 | — source file |
| Baptist Health Corbin Corbin · Corbin, KY Thyroxine (thyroid chemical), free | $113.03 | $150.71 | Sep 15, 2026 source file |
| Baptist Health Hardin Elizabethtown · Elizabethtown, KY Thyroxine (thyroid chemical), free | $113.03 | $150.71 | Sep 15, 2026 source file |
| Baptist Health LaGrange La Grange · Louisville/Jefferson County, KY-IN Thyroxine (thyroid chemical), free | $113.03 | $150.71 | Sep 15, 2026 source file |
| Baptist Health Lexington Lexington · Lexington-Fayette, KY Thyroxine (thyroid chemical), free | $113.03 | $150.71 | Sep 17, 2026 source file |
| Baptist Health Louisville Louisville · Louisville/Jefferson County, KY-IN Thyroxine (thyroid chemical), free | $113.03 | $150.71 | Sep 18, 2026 source file |
| Baptist Health Paducah Paducah · Paducah, KY-IL Thyroxine (thyroid chemical), free | $113.03 | $150.71 | Sep 18, 2026 source file |
| Baptist Health Richmond Richmond · Richmond-Berea, KY Thyroxine (thyroid chemical), free | $113.03 | $150.71 | Sep 18, 2026 source file |
| AdventHealth Manchester Manchester · Corbin, KY HC T4 FREE - THYROXINE FREE | $251.77 | $251.77 | Apr 1, 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 |
|---|---|---|---|
| Louisville/Jefferson County, KY-IN | 3 | $70.80 | $113.03 |
| Corbin, KY | 2 | $113.03 | $182.40 |
| Lexington-Fayette, KY | 2 | $12.96 | $63.00 |
| Paducah, KY-IL | 2 | $96.60 | $104.82 |
| Richmond-Berea, KY | 2 | $27.60 | $70.32 |
| Elizabethtown, KY | 1 | $113.03 | $113.03 |
| Henderson, KY | 1 | $23.80 | $23.80 |
| Huntington-Ashland, WV-KY-OH | 1 | $61.28 | $61.28 |
| Morganfield, KY | 1 | $23.80 | $23.80 |
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
- 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
- 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.