Free T4 test cost in Oklahoma
In Oklahoma, 28 hospitals publish a cash price for Free T4 (free thyroxine) thyroid blood test: from $7.00 to $170.80, with a median of $61.33. The lowest price is at Oklahoma Heart Hospital South, LLC (Shawnee) and 1 other hospital. The highest price is 24.4× 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.
Lowest$7.00Oklahoma Heart Hospital South, LLC + 1 more
Median$61.33half pay less
Highest$170.80in Oklahoma
Lowest saves$54.33vs the median
Hospitals in Oklahoma, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Oklahoma Heart Hospital South, LLC lowest Shawnee · Shawnee, OK HC Assay of Free Thyroxine - T4 Free | $7.00 | $20.00 | Mar 27, 2026 source file |
| Oklahoma Heart Hospital, LLC lowest Midwest City · Oklahoma City, OK HC Assay of Free Thyroxine - T4 Free | $7.00 | $20.00 | Mar 27, 2026 source file |
| Mercy Hospital Headlton Inc Healdton · Ardmore, OK T4 Thyroxine Free | $37.50 | $50.00 | Jun 12, 2026 source file |
| Mercy Hospital Logan County Inc Crescent · Oklahoma City, OK Assay of Free Thyroxine | $37.50 | $50.00 | Jun 12, 2026 source file |
| Mercy Hospital Ada Inc Ada · Ada, OK T4 Thyroxine Free | $48.10 | $74.00 | — source file |
| Mercy Hospital Ardmore Inc Northwest Ardmore · Ardmore, OK T4 Thyroxine Free | $48.10 | $74.00 | — source file |
| Mercy Hospital Oklahoma City Inc Oklahoma City · Oklahoma City, OK T4 Thyroxine Free | $48.10 | $74.00 | — source file |
| OU Health - University of Oklahoma Medical Center|Oklahoma Childrens Hospital| OU Health Edmond Medical Center Oklahoma City · Oklahoma City, OK THYROXINE (THYROID CHEMICAL); FREE | $52.40 | $524.00 | — source file |
| Love County Health Center Marietta · Marietta, OK T4 Thyroxine Free | $58.00 | $58.00 | Jun 12, 2026 source file |
| Jane Phillips Memorial Medical Center Bartlesville · Bartlesville, OK T4 RATIO DD- 48672 | $61.33 | $165.75 | — source file |
| Jane Phillips Nowata Hospital, Inc. Nowata · Nowata, OK T4 FREE REFERRED- 46145 | $61.33 | $165.75 | — source file |
| Owasso Medical Facility, Inc. N Owasso · Tulsa, OK T4 FREE REFERRED- 46145 | $61.33 | $165.75 | — source file |
| St. John Broken Arrow, Inc. Jenks · Tulsa, OK T4 FREE REFERRED- 46145 | $61.33 | $165.75 | — source file |
| St. John Broken Arrow, Inc. Broken Arrow · Tulsa, OK T4 RATIO DD- 48672 | $61.33 | $165.75 | — source file |
| St. John Medical Center, Inc. Tulsa · Tulsa, OK T4 RATIO DD- 48672 | $61.33 | $165.75 | — source file |
| St. John Sapulpa, Inc. Sapulpa · Tulsa, OK T4 FREE REFERRED- 46145 | $61.33 | $165.75 | — source file |
| Mercy Love County Marietta · Marietta, OK T4 Thyroxine Free | $74.00 | $74.00 | — source file |
| Durant HMA LLC Durant · Durant, OK Thyroxine 4 Free | $81.00 | $675.00 | Apr 1, 2026 source file |
| Mercy Hospital Kingfisher, Inc Kingfisher · Kingfisher, OK T4 Thyroxine Free | $87.75 | $135.00 | — source file |
| Saint Francis Hospital Muskogee Muskogee · Muskogee, OK Hc Assay Of Free Thyroxine | $87.78 | $219.45 | Apr 1, 2026 source file |
| Saint Francis Hospital South Tulsa · Tulsa, OK Hc Assay Of Free Thyroxine | $87.78 | $219.45 | Apr 1, 2026 source file |
| Saint Francis Hospital Vinita Vinita · Vinita, OK Hc Assay Of Free Thyroxine | $87.78 | $219.45 | Apr 1, 2026 source file |
| Saint Francis Hospital Yale Tulsa · Tulsa, OK Hc Assay Of Free Thyroxine | $87.78 | $219.45 | Apr 1, 2026 source file |
| Mercy Hospital Watonga Inc Watonga · Watonga, OK T4 Thyroxine Free | $91.00 | $140.00 | — source file |
| Mercy Hospital Logan County Inc Guthrie · Oklahoma City, OK T4 Thyroxine Free | $96.20 | $148.00 | — source file |
| Mercy Hospital Healdton Inc Healdton · Ardmore, OK T4 Thyroxine Free | $101.40 | $156.00 | — source file |
| Mercy Hospital Tishomingo Inc Tishomingo · Tishomingo, OK T4 Thyroxine Free | $101.40 | $156.00 | — source file |
| Marshall County HMA, LLC Madill · Madill, OK Thyroxine 4 Free | $170.80 | $488.00 | 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 |
|---|---|---|---|
| Tulsa, OK | 7 | $61.33 | $61.33 |
| Oklahoma City, OK | 5 | $7.00 | $48.10 |
| Ardmore, OK | 3 | $37.50 | $48.10 |
| Marietta, OK | 2 | $58.00 | $66.00 |
| Ada, OK | 1 | $48.10 | $48.10 |
| Bartlesville, OK | 1 | $61.33 | $61.33 |
| Durant, OK | 1 | $81.00 | $81.00 |
| Kingfisher, OK | 1 | $87.75 | $87.75 |
| Madill, OK | 1 | $170.80 | $170.80 |
| Muskogee, OK | 1 | $87.78 | $87.78 |
| Nowata, OK | 1 | $61.33 | $61.33 |
| Shawnee, OK | 1 | $7.00 | $7.00 |
| Tishomingo, OK | 1 | $101.40 | $101.40 |
| Vinita, OK | 1 | $87.78 | $87.78 |
| Watonga, OK | 1 | $91.00 | $91.00 |
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
- 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
- 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.