Free T4 test cost in Hawaii
In Hawaii, 5 hospitals publish a cash price for free T4 (free thyroxine) thyroid blood test: from $44.40 to $84.30, with a median of $44.40. The lowest price is at Kapiolani Medical Center for Women & Children (Honolulu) and 3 other hospitals. 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 23, 2026.
Hospitals in Hawaii, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Kapiolani Medical Center for Women & Children lowest Honolulu · Urban Honolulu, HI FREE T-4 | $44.40 | $74.00 | Feb 12, 2026 source file |
| Pali Momi Medical Center lowest Aiea · Urban Honolulu, HI FREE T-4 | $44.40 | $74.00 | Feb 12, 2026 source file |
| Straub Clinic & Hospital lowest Honolulu · Urban Honolulu, HI FREE T-4 | $44.40 | $74.00 | Feb 12, 2026 source file |
| Wilcox Memorial Hospital lowest Lihue · Kapaa, HI FREE T-4 | $44.40 | $74.00 | Feb 12, 2026 source file |
| Shriners Childrens - Honolulu Honolulu · Urban Honolulu, HI ASSAY OF FREE THYROXINE | $84.30 | $84.30 | — source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Urban Honolulu, HI | 4 | $44.40 | $44.40 |
| Kapaa, HI | 1 | $44.40 | $44.40 |
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
- 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.