T-4 Thyroxine Total Test

T-4 Thyroxine Total Test is recommended to asses and measure Thyroxine (T4) levels in the body to help evaluate Thyroid Gland function; to help diagnose thyroid disease; to monitor effectiveness of thyroid treatment.

Low T4 levels (Hypothyroidism) and high T4 levels (Hyperthyroidism) are imbalances measured with this test and their symptoms may include: Anxiety, insomnia, diarrhea, muscles ache & pains, depression, weight gain, etc.

Sometimes The Total T4 test is used to help diagnose congenital hypothyroidism in newborns.

For comparison purposes have subsequent labs collected about the same time.

Preparation: No special preparation is needed for this test, if possible, have your test early in the morning.