Free T4 test cost in North Carolina
In North Carolina, 37 hospitals publish a cash price for Free T4 (free thyroxine) thyroid blood test: from $9.54 to $240.00, with a median of $78.40. The lowest price is at Pitt County Memorial Hospital, Inc. (Washington) and 1 other hospital. The highest price is 25.2× 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 24, 2026.
Lowest$9.54Pitt County Memorial Hospital, Inc. + 1 more
Median$78.40half pay less
Highest$240.00in North Carolina
Lowest saves$68.86vs the median
Hospitals in North Carolina, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Pitt County Memorial Hospital, Inc. lowest Washington · Washington, NC 35167 Assay of Free Thyroxine-Ref-Qu | $9.54 | $18.00 | Apr 1, 2026 source file |
| Pitt County Memorial Hospital, Inc. lowest Greenville · Greenville, NC 35167 Assay of Free Thyroxine-Ref-Qu | $9.54 | $18.00 | Apr 1, 2026 source file |
| Duplin General Hospital, Inc. Kenansville · Kenansville, NC 35167 Assay of Free Thyroxine-Ref-Qu | $10.08 | $18.00 | Apr 1, 2026 source file |
| East Carolina Health Ahoskie · Ahoskie, NC 35167 Assay of Free Thyroxine-Ref-Qu | $10.08 | $18.00 | Apr 1, 2026 source file |
| East Carolina Health-Bertie Windsor · Windsor, NC 35167 Assay of Free Thyroxine-Ref-Qu | $10.08 | $18.00 | Apr 1, 2026 source file |
| East Carolina Health-Chowan, Inc. Edenton · Edenton, NC 35167 Assay of Free Thyroxine-Ref-Qu | $10.08 | $18.00 | Apr 1, 2026 source file |
| East Carolina Health-Heritage, Inc. Tarboro · Rocky Mount, NC 35167 Assay of Free Thyroxine-Ref-Qu | $10.08 | $18.00 | Apr 1, 2026 source file |
| Halifax Regional Medical Center, Inc. Roanoke Rapids · Roanoke Rapids, NC 35167 Assay of Free Thyroxine-Ref-Qu | $10.08 | $18.00 | Apr 1, 2026 source file |
| The Outer Banks Hospital, Inc. Nags Head · Kill Devil Hills, NC 35167 Assay of Free Thyroxine-Ref-Qu | $10.08 | $18.00 | Apr 1, 2026 source file |
| DUKE UNIVERSITY HEALTH SYSTEM, INC. Doing Business As: DUKE UNIVERSITY HOSPITAL Raleigh · Raleigh-Cary, NC T4 Free | $48.33 | $179.00 | — source file |
| DUKE UNIVERSITY HEALTH SYSTEM, INC. Doing Business As: DUKE UNIVERSITY HOSPITAL Durham · Durham, NC T4 Free | $48.33 | $179.00 | — source file |
| DUKE UNIVERSITY HEALTH SYSTEM, INC. Doing Business As: DURHAM REGIONAL HOSPITAL Durham · Durham-Chapel Hill, NC T4 Free | $48.33 | $179.00 | — source file |
| North Carolina Baptist Hospital Bermuda Run · Winston-Salem, NC HC ASSAY OF FREE THYROXINE T4 | $54.50 | $109.00 | Oct 21, 2025 source file |
| North Carolina Baptist Hospital Winston Salem · Winston-Salem, NC HC ASSAY OF FREE THYROXINE T4 | $57.50 | $115.00 | Oct 8, 2025 source file |
| Lexington Medical Center Lexington · Winston-Salem, NC HC ASSAY OF FREE THYROXINE T4 | $58.50 | $117.00 | Oct 8, 2025 source file |
| WRMC Hospital Operating Corporation Elkin · Mount Airy, NC HC ASSAY OF FREE THYROXINE T4 | $72.00 | $144.00 | Jul 16, 2026 source file |
| WRMC Hospital Operating Corporation North Wilkesboro · North Wilkesboro, NC HC ASSAY OF FREE THYROXINE T4 | $72.00 | $144.00 | Oct 8, 2025 source file |
| AdventHealth Polk Columbus · Columbus, NC HC T4 FREE - THYROXINE FREE | $72.45 | $72.45 | Apr 1, 2026 source file |
| Murphy Medical Center INC Murphy · Murphy, NC HC Free T4 | $78.40 | $112.00 | Jan 25, 2026 source file |
| High Point Regional Health High Point · Greensboro-High Point, NC HC ASSAY OF FREE THYROXINE T4 | $86.50 | $173.00 | Oct 8, 2025 source file |
| Gaston Memorial Hospital Gastonia · Charlotte-Concord-Gastonia, NC-SC CHG T4 THYROXINE FREE | $98.00 | $98.00 | May 11, 2026 source file |
| Gaston Memorial Hospital Mount Holly · Charlotte-Concord-Gastonia, NC-SC CHG T4 THYROXINE FREE | $98.00 | $98.00 | May 11, 2026 source file |
| Gaston Memorial Hospital Belmont · Charlotte-Concord-Gastonia, NC-SC CHG T4 THYROXINE FREE | $98.00 | $98.00 | May 11, 2026 source file |
| DUKE HEALTH LAKE NORMAN REGIONAL MEDICAL CENTER, INC. Doing Business As: DUKE HEALTH LAKE NORMAN HOSPITAL Mooresville · Charlotte-Concord-Gastonia, NC-SC HC T4 FREE | $98.82 | $366.00 | — source file |
| Sentara Albemarle Regional Medical Center, LLC Elizabeth City · Elizabeth City, NC Chga-Free T4 | $126.50 | $253.00 | Apr 1, 2026 source file |
| Atrium Health Hospitals Inc Wadesboro · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 1, 2025 source file |
| Atrium Health Hospitals Inc Shelby · Shelby-Kings Mountain, NC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 1, 2025 source file |
| Atrium Health Hospitals Inc Lincolnton · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 1, 2025 source file |
| Carolinas Medical Center Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 5, 2025 source file |
| Carolinas Rehabilitation Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 5, 2025 source file |
| Carolinas Rehabilitation Belmont · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 5, 2025 source file |
| Carolinas Rehabilitation Concord · Concord, NC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 5, 2025 source file |
| The Charlotte Mecklenburg Hospital Authority Concord · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 1, 2025 source file |
| The Charlotte Mecklenburg Hospital Authority Charlotte · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 5, 2025 source file |
| The Charlotte Mecklenburg Hospital Authority Monroe · Charlotte-Concord-Gastonia, NC-SC HC ASSAY OF FREE THYROXINE T4 | $150.93 | $301.85 | Dec 4, 2025 source file |
| Atrium Health Hospitals Inc Albermarle · Albemarle, NC HC ASSAY OF FREE THYROXINE T4 | $157.50 | $315.00 | Sep 15, 2026 source file |
| Adventhealth Hendersonville Hendersonville · Asheville, NC HC T4 FREE - THYROXINE FREE | $240.00 | $240.00 | 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 |
|---|---|---|---|
| Charlotte-Concord-Gastonia, NC-SC | 12 | $98.00 | $150.93 |
| Winston-Salem, NC | 3 | $54.50 | $57.50 |
| Ahoskie, NC | 1 | $10.08 | $10.08 |
| Albemarle, NC | 1 | $157.50 | $157.50 |
| Asheville, NC | 1 | $240.00 | $240.00 |
| Columbus, NC | 1 | $72.45 | $72.45 |
| Concord, NC | 1 | $150.93 | $150.93 |
| Durham, NC | 1 | $48.33 | $48.33 |
| Durham-Chapel Hill, NC | 1 | $48.33 | $48.33 |
| Edenton, NC | 1 | $10.08 | $10.08 |
| Elizabeth City, NC | 1 | $126.50 | $126.50 |
| Greensboro-High Point, NC | 1 | $86.50 | $86.50 |
| Greenville, NC | 1 | $9.54 | $9.54 |
| Kenansville, NC | 1 | $10.08 | $10.08 |
| Kill Devil Hills, NC | 1 | $10.08 | $10.08 |
| Murphy, NC | 1 | $78.40 | $78.40 |
| Mount Airy, NC | 1 | $72.00 | $72.00 |
| North Wilkesboro, NC | 1 | $72.00 | $72.00 |
| Raleigh-Cary, NC | 1 | $48.33 | $48.33 |
| Roanoke Rapids, NC | 1 | $10.08 | $10.08 |
| Rocky Mount, NC | 1 | $10.08 | $10.08 |
| Shelby-Kings Mountain, NC | 1 | $150.93 | $150.93 |
| Windsor, NC | 1 | $10.08 | $10.08 |
| Washington, NC | 1 | $9.54 | $9.54 |
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 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.