A hormone that is made by the thyroid gland and is one of the most important thyroid hormones. Four iodine molecules are attached to the molecular structure of thyroxine. Along with the more powerful thyroid hormone triiodothyronine (T3), thyroxine affects almost every process in the body, including body temperature, growth, and heart rate.
| Test item |
Principle |
AMR |
Sample type |
Sample volume |
Time |
Pretreatment |
Package |
Storage |
Expiration date |
| Free T4 |
Immunofluorescence |
0.40 ~ 6 ng/dL |
Plasma or Serum |
70 μL |
< 3 min |
O |
20 tests / Kit |
2 ~ 8 ˚C |
18 month |
