Treatments, options and pricing
Browse and click below to book any of our available Thyroid Health Blood Tests.
Advanced Thyroid Function Test
Intermediate-level blood test for assessing thyroid function with common autoimmune tests. Thyroid Stimulating Hormone Tri-iodothyronine (FT3), Free Thyroxine (FT4), Anti-Thyroglobulin Antibody (Anti-Tg), Anti-Thyroid Peroxidase Antibody (Anti-TPO).
Thyroid Function Blood Test
Basic thyroid blood test checking essential levels, useful if monitoring response to thyroid medication. TSH, T4.
Ultimate Thyroid Function Blood Test
Comprehensive thyroid blood test including common autoantibodies which can target the thyroid gland. T4, Thyroid Stimulating Hormone, Free T3, Total T3, Reverse T3 (rT3), Free T4, Thyroglobulin Antibodies, Thyroid Peroxidase, TSH Receptor Antibodies.
Common Q&A about Thyroid Health Blood Tests
Our FAQ section is designed to address common questions you may have, from how our treatments work to what you can expect during and after your session.
Our team is always available to provide additional support if you need more personalised guidance, ensuring that you feel informed and confident every step of the way.
Thyroid blood tests are a series of diagnostic tests that measure various hormones and antibodies in the blood to assess thyroid function. These tests help diagnose thyroid disorders, such as hypothyroidism, hyperthyroidism, Hashimoto’s thyroiditis, and Graves' disease, and guide appropriate treatment.
The Thyroid Stimulating Hormone (TSH) test measures the level of TSH in your blood, which is produced by the pituitary gland to regulate the production of thyroid hormones (T3 and T4) by the thyroid gland. Abnormal TSH levels can indicate an underactive thyroid (hypothyroidism) or an overactive thyroid (hyperthyroidism).
T4, or thyroxine, is the main hormone produced by the thyroid gland. It is measured in its total (T4) and free (Free T4) forms. Total T4 includes both bound and unbound hormone, while Free T4 measures the unbound hormone, which is biologically active. Low T4 levels may indicate hypothyroidism, while high levels could suggest hyperthyroidism.
Free T3 measures the unbound, active form of triiodothyronine (T3), while Total T3 measures both bound and unbound T3 in the blood. Free T3 is more indicative of the hormone available for the body’s use, making it crucial for assessing thyroid function, particularly in cases where T4 levels are normal but symptoms persist.
Reverse T3 (rT3) is an inactive form of T3 that the body produces under certain conditions, such as stress or illness. Testing rT3 can help diagnose conditions where the body is not converting T4 into the active T3 properly, leading to symptoms of hypothyroidism despite normal TSH and T4 levels.
Free T4 and Free T3 are important because they measure the levels of unbound, active thyroid hormones in the blood. These free hormones are what the body uses to regulate metabolism, energy levels, and other vital functions. Abnormal levels of Free T4 and Free T3 can indicate thyroid dysfunction even when Total T4 and TSH levels appear normal.
Thyroglobulin Antibodies (TgAb) are antibodies that target thyroglobulin, a protein produced by the thyroid gland. The presence of these antibodies can indicate autoimmune thyroid disorders such as Hashimoto's thyroiditis or, less commonly, Graves' disease. Elevated levels of TgAb can suggest thyroid inflammation or damage.
Thyroid Peroxidase (TPO) antibodies are antibodies that attack the thyroid peroxidase enzyme, which is crucial for the production of thyroid hormones. High levels of TPO antibodies are commonly found in autoimmune thyroid diseases like Hashimoto's thyroiditis and can lead to hypothyroidism as the immune system gradually destroys thyroid tissue.
TSH Receptor Antibodies (TRAb) are antibodies that can either stimulate or block the thyroid-stimulating hormone receptor. They are most commonly associated with Graves' disease, an autoimmune disorder that causes hyperthyroidism. Elevated levels of TRAb indicate that the immune system is attacking the thyroid gland, leading to overproduction of thyroid hormones.
If your thyroid blood test results are abnormal, consult with your healthcare provider or an endocrinologist. They will discuss your results and may recommend further testing, lifestyle changes, medication, or treatment plans tailored to address your specific thyroid condition.
