Free T4 test cost in Louisiana
In Louisiana, 13 hospitals publish a cash price for Free T4 (free thyroxine) thyroid blood test: from $19.80 to $162.40, with a median of $37.66. The lowest price is at University Med Center (New Orleans). The highest price is 8.2× 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 23, 2026.
Hospitals in Louisiana, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| University Med Center lowest New Orleans · New Orleans-Metairie, LA Labcorp Assay of Free Thyroxine | $19.80 | $90.00 | Jul 1, 2026 source file |
| New Orleans East Hospital New Orleans · New Orleans-Metairie, LA Thyroxine (Thyroid Chemical) Measurement | $20.80 | $130.00 | Jun 24, 2026 source file |
| Lallie Kemp Regional Medical Center Independence · Hammond, LA THYROXINE (THYROID CHEMICAL); FREE | $31.81 | $53.02 | — source file |
| West Jefferson Medical Center Marrero · New Orleans-Metairie, LA Thyroxine (Thyroid Chemical) Measurement | $33.92 | $212.00 | Jun 30, 2026 source file |
| St. Frances Cabrini Hospital Alexandria · Alexandria, LA HC 84439 T4 FREE, DIRECT DIALYSIS | $34.84 | $134.00 | Jan 13, 2026 source file |
| Childrens Hospital New Orleans · New Orleans-Metairie, LA Thyroxine (Thyroid Chemical) Measurement | $35.10 | $130.00 | Jun 24, 2026 source file |
| Touro Infirmary New Orleans · New Orleans-Metairie, LA Thyroxine (Thyroid Chemical) Measurement | $37.66 | $269.00 | Jul 1, 2026 source file |
| Natchitoches Parish Hospital Service District Natchitoches · Natchitoches, LA T4 FREE | $52.80 | $132.00 | Mar 18, 2026 source file |
| East Jefferson General Hospital Metairie · New Orleans-Metairie, LA Thyroxine (Thyroid Chemical) Measurement | $77.84 | $556.00 | Jul 1, 2026 source file |
| Lakeside Hospital Metairie · New Orleans-Metairie, LA Thyroxine (Thyroid Chemical) Measurement | $77.84 | $556.00 | Jul 1, 2026 source file |
| Lakeview Hospital Covington · Slidell-Mandeville-Covington, LA Thyroxine (Thyroid Chemical) Measurement | $77.84 | $556.00 | Jul 1, 2026 source file |
| Tulane Medical Center New Orleans · New Orleans-Metairie, LA Thyroxine (Thyroid Chemical) Measurement | $77.84 | $556.00 | Jun 25, 2026 source file |
| LaSalle Parish Hospital Service District No. 1 Olla · Olla, LA Free T4 Level | $162.40 | $203.00 | 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 |
|---|---|---|---|
| New Orleans-Metairie, LA | 8 | $19.80 | $36.38 |
| Alexandria, LA | 1 | $34.84 | $34.84 |
| Hammond, LA | 1 | $31.81 | $31.81 |
| Natchitoches, LA | 1 | $52.80 | $52.80 |
| Olla, LA | 1 | $162.40 | $162.40 |
| Slidell-Mandeville-Covington, LA | 1 | $77.84 | $77.84 |
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
- 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.