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TSH, TPO, T-4, FT-4, TG-AB

Thyroid Panel

Thyroid Panel

The Thyroid Panel measures key hormone levels to help screen for thyroid disorders, including hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid). Understanding your thyroid function can offer important insights into your overall health, energy, and fertility.

We recommend sharing your results with your healthcare provider so you can review your findings together and make informed decisions about your health journey.

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Frequently Asked Questions

Understand Our Tests

What does the Thyroid Panel test for?

The panel measures TSH, T-4 (Total Thyroxine), Free T-4 (Free Thyroxine), Thyroid Peroxidase Antibodies (TPO), and Thyroglobulin Antibodies (Tg-Ab). These markers help assess thyroid function, hormone balance, and potential autoimmune thyroid conditions.

Why is TSH important?

TSH regulates thyroid hormone production. High TSH may indicate hypothyroidism (underactive thyroid), while low TSH may indicate hyperthyroidism (overactive thyroid). Proper TSH levels are essential for metabolism, energy, and overall hormonal balance.

What do thyroid antibodies (TPO and Tg-Ab) indicate?

Elevated TPO or Tg-Ab antibodies may signal autoimmune thyroid conditions, such as Hashimoto’s thyroiditis or Graves’ disease. These tests can also help monitor patients with thyroid cancer or conditions that affect thyroid hormone production.

How do T-4 and Free T-4 differ?

T-4 measures total thyroxine, including protein-bound hormone, while Free T-4 measures the unbound, biologically active hormone. Free T-4 provides a more accurate reflection of thyroid function, particularly when binding proteins are altered.

Who should consider thyroid testing?

Testing is recommended for individuals experiencing unexplained weight changes, low energy, temperature sensitivity, mood changes, joint or muscle issues, memory problems, or if trying to conceive. Women are at higher risk for thyroid disease, making testing particularly important during pregnancy planning.

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  • Purchase Test

    Place your order online. A medical professional will review your order. Expect to receive your kit in 2-3 days once we have completed your order.

  • Register Kit

    When you receive your kit, be sure to follow the included instructions to register. This ensures your sample is processed accurately and without delay.

  • Collect Your Sample

    Follow the instructions that came with your kit to collect your sample. Send your sample back to Unilab using the prepaid envelope.

  • Review Your Results

    For most tests, results are ready 3-4 days days from receiving your sample. You will receive a notification when your test results are ready.

Your Results

  • Self-administered blood collection 
  • Simple to use and painless
  • Blood samples sent and tested at Unilab Laboratory 
  • Results in 3-4 days