Free T4 test cost in Delaware
In Delaware, 6 hospitals publish a cash price for free T4 (free thyroxine) thyroid blood test: from $38.00 to $215.15, with a median of $157.92. The lowest price is at Nemours Children's Hospital (Wilmington). The highest price is 5.7× 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 Delaware, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Nemours Children's Hospital lowest Wilmington · Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Free T4, Dialysis Method | $38.00 | $38.00 | — source file |
| TidalHealth Nanticoke Seaford · Seaford, DE HC Thyroxine Free | $110.00 | $110.00 | — source file |
| Bayhealth Hospital, Sussex Campus Milford · Seaford, DE Hc Thyroxine Free | $157.92 | $188.00 | Apr 1, 2026 source file |
| Bayhealth Medical Center, Kent Campus Dover · Dover, DE Hc Thyroxine Free | $157.92 | $188.00 | Apr 1, 2026 source file |
| Beebe Medical Center Lewes · Seaford, DE THYROXINE (THYROID CHEMICAL); FREE | $197.20 | $232.00 | — source file |
| St. Francis Hospital Wilmington · Philadelphia-Camden-Wilmington, PA-NJ-DE-MD HC Quest T4 (Thyroxine) Direct Dialysis | $215.15 | $331.00 | Mar 31, 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 |
|---|---|---|---|
| Seaford, DE | 3 | $110.00 | $157.92 |
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 2 | $38.00 | $126.58 |
| Dover, DE | 1 | $157.92 | $157.92 |
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
- 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
- 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.