Free Triiodothyronine (FT3) Test

Lab locations: UK / Ireland
Results by Email
Date of Birth Requirement
Regular price £49.00 GBP

Please enter the name(s) and date(s) of birth of the person/people having the test

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Overview:

Our Free Triiodothyronine (FT3) Test accurately measures the level of free triiodothyronine (FT3) in your blood, a crucial thyroid hormone that plays a significant role in regulating your metabolism, heart rate, and overall energy levels. This test is essential for diagnosing thyroid disorders, assessing thyroid function, and monitoring the effectiveness of thyroid treatments.

Who Is This Test For?

This test is ideal for individuals experiencing one or more of the following:

  • Symptoms of Thyroid Dysfunction:

    • Unexplained weight gain or loss
    • Persistent fatigue or low energy levels
    • Increased sensitivity to cold or heat
    • Dry skin and hair loss
    • Muscle weakness or joint pain
    • Irregular menstrual cycles
    • Mood swings, anxiety, or depression
  • Individuals with a Family History of Thyroid Disease

  • Those Undergoing Treatment for Thyroid Disorders

  • People with Autoimmune Conditions: Such as Hashimoto's thyroiditis or Graves' disease

What This Test Includes:

Free Triiodothyronine

Sample needed:

blood sample

Why choose the FT3 Blood Test?

  • Thyroid Assessment: Offers essential insights into your thyroid function, helping to identify both hyperthyroidism and hypothyroidism.
  • Accurate and Reliable: Utilizes advanced laboratory techniques to ensure precise measurement of FT3 levels.
  • Monitor Treatment Effectiveness: Ideal for individuals undergoing thyroid hormone therapy or other thyroid-related treatments.
  • Non-Invasive and Simple: A straightforward blood draw with minimal preparation required.
  • Clear and Detailed Results: Receive an easy-to-understand report that explains your FT3 levels and their implications for your health.


Results?

  • Availability: Results available within 1-2 working days.
  • Presentation: Your results will be presented in a clear and concise format, highlighting any areas of concern. Reference ranges will be provided to help you interpret your FT3 levels. Along with your results, you'll receive personalised recommendations on next steps, such as lifestyle adjustments or consulting a healthcare professional.
  • Discuss with a Doctor: After receiving your results, you may choose to discuss them with a GP who can provide further insights and advise on appropriate actions (additional fee applies).

Preparation Required:

  • Fasting: No fasting is required for this test.
  • Medications: Continue taking any prescribed medications as usual unless advised otherwise by your doctor. Inform us of any supplements or over-the-counter medications you are taking, as some may affect thyroid hormone levels.
  • Timing: While the FT4 test can be performed at any time, certain thyroid tests may require specific timing for optimal accuracy. 

 

  1. Purchase your test(s) online making sure to give the name and date of birth of the person(s) taking the test. These details are required by the lab to uniquely identify your sample.
  2. You will get a confirmation email from us.
  3. We will process your order within an hour; Mon-Fri 9am-5pm.
  4. Then, look out for the booking link email from our partner laboratory, Randox Health.
  5. Click on the link to book an appointment for your test.
  6. Attend to do your test.
  7. Results are emailed to you.

All laboratories need information regarding the client to uniquely identify their test sample.

Without these details, tests cannot be processed.

The minimum requirement is the full name, biological sex and date of birth.

You should enter these details securely at the top before you click 'Add to cart'.

We ask for your Biological Sex because NORMAL RANGES for some tests are different for men and women.