Free T4 test cost in District of Columbia
In District of Columbia, 2 hospitals publish a cash price for free T4 (free thyroxine) thyroid blood test: from $102.29 to $195.03, with a median of $148.66. The lowest price is at MedStar Georgetown Hospital (Northwest Washington). The highest price is 1.9× 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 27, 2026. See them on a map
Hospitals in District of Columbia, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| MedStar Georgetown Hospital lowest Northwest Washington · Washington-Arlington-Alexandria, DC-VA-MD-WV THYROXINE FREE | $102.29 | $157.37 | Apr 1, 2026 source file |
| National Rehabilitation Hospital Washington · Washington-Arlington-Alexandria, DC-VA-MD-WV THYROXINE FREE | $195.03 | $300.04 | 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 |
|---|---|---|---|
| Washington-Arlington-Alexandria, DC-VA-MD-WV | 2 | $102.29 | $148.66 |
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$62.14
- Alaska$139.86
- Arizona$61.83
- Arkansas$48.10
- California$68.12
- Colorado$158.93
- Connecticut$55.55
- Delaware$157.92
- Florida$95.03
- Georgia$137.67
- Hawaii$79.10
- Idaho$43.30
- Illinois$115.05
- Indiana$74.48
- Iowa$65.60
- Kansas$62.21
- Kentucky$95.42
- Louisiana$54.50
- Maine$55.05
- Maryland$46.95
- Massachusetts$75.00
- Michigan$32.35
- Minnesota$67.60
- Mississippi$38.70
- Missouri$77.18
- Montana$50.33
- Nebraska$73.35
- Nevada$100.02
- New Hampshire$115.15
- New Jersey$10.37
- New Mexico$132.74
- New York$63.19
- North Carolina$72.00
- North Dakota$34.88
- Ohio$40.30
- Oklahoma$61.33
- Oregon$45.30
- Pennsylvania$55.40
- Puerto Rico$26.61
- Rhode Island$72.00
- South Carolina$107.21
- South Dakota$89.20
- Tennessee$33.64
- Texas$112.56
- Utah$154.52
- Vermont$102.14
- Virginia$77.50
- Washington$63.84
- West Virginia$52.75
- Wisconsin$80.60
- Wyoming$45.69
Median cash price across the state's hospitals.