Thyroid function tests
A thyroid function blood test is used to check your thyroid stimulating hormone (TSH), thyroxine (T4), and triiodothyronine (T3) blood levels.
Blood tests A-Z
From the fasting blood glucose test to the prostate (PSA) test, there are many kinds of blood tests. Browse the index and learn how to prepare for your test.
Your thyroid gland sits in the front of your neck and helps control your metabolism. Read about the different thyroid hormones and thyroid problems.
Hyperthyroidism (or thyrotoxicosis) occurs when the thyroid gland is overactive and produces too much thyroid hormone.
Guide to blood testing
Find out all about blood tests, including where to get a blood test in Australia, what happens when you have a blood test, and how long it takes.