Product Description
Thyroxine (T4)
Thyroxine blood test (Gold Top Vacutainer) to analyse thyroid function by measuring T4 (thyroxine). Thyroid function is important for general health, fertility problems, menstrual cycle irregularities and fetal development in pregnancy. A low T4 implies underactive thyroid function (hypothyroidism) and a high T4 implies overactive thyroid function (hyperthyroidism).