Doctor examining a patient

Understanding Thyroid Function Test: Why Testing at Home is Crucial

Doctor examining a patient

The thyroid gland is one of the most important organs in the body as it is responsible for regulating metabolism, growth, and development. It is critical to monitor its functioning regularly, and a thyroid function test is an integral part of this process. However, testing for thyroid function at home can be confusing and intimidating.

In this blog post, we will explore how to properly test thyroid function at home and the steps you can take to ensure accurate results.

Thyroid Hormones

The thyroid gland, located at the base of the neck, produces two main hormones: triiodothyronine (T3) and thyroxine (T4). These hormones play a vital role in regulating many body functions, including metabolism, growth and development, body temperature, and heart rate.

A combination of T3 and T4 controls the rate of calorie burning and heart rate, as well as the production of other hormones, including insulin and cortisol. Optimal thyroid hormone levels improve mood, energy levels, and mental clarity.

Hormonal imbalances can occur when the thyroid gland produces too little or too much of these hormones.

a woman showing her neck

Too little T3 and T4 in the body can cause hypothyroidism, which is associated with symptoms such as fatigue, weight gain, cold intolerance, and depression. Too much thyroid hormone can lead to hyperthyroidism, which is associated with symptoms such as weight loss, anxiety, tremors, and heart palpitations.

If you suspect that you may be experiencing symptoms of thyroid dysfunction, it is essential to have your thyroid function tested. Traditional testing methods require a visit to the doctor’s office or a lab, but there is now an option to test your thyroid function at home.

Traditional Testing Methods

Thyroid Function Tests (TFTs) are essential in diagnosing and managing thyroid conditions. TFTs help evaluate how well your thyroid gland is working by measuring levels of thyroid hormones and thyroid-stimulating hormones in the blood.

The most common thyroid function tests include the Thyroid-Stimulating Hormone (TSH) Test, Free Thyroxine (FT4) Test, and Total Triiodothyronine (TT3) Test.

Traditional testing methods involve visiting a laboratory or a hospital where a trained medical professional will draw blood samples from your arm. The procedure takes only a few minutes and usually involves minimal discomfort.

DIY at home urinalysis with dipsticks

However, some people may experience dizziness or fainting during or after the test.

TFT results can be interpreted differently depending on the individual and the situation.

  • TSH levels generally indicate how well the pituitary gland signals the thyroid gland to produce hormones.
  • Low TSH levels suggest an overactive thyroid gland.
  • High TSH levels suggest an underactive thyroid gland.
  • FT4 and TT3 levels provide further information about thyroid function and can help diagnose specific thyroid disorders such as hypothyroidism or hyperthyroidism.

At-Home Testing Kits

One of the most convenient options for getting a thyroid function test done is through at-home testing kits.

One of the main benefits of at-home thyroid function testing is convenience. You can take the test in the comfort of your home at a time that suits you. There’s no need to schedule a visit with a doctor or travel to a lab.

Most at-home thyroid function testing kits involve a simple blood test. Here’s how it usually works:

  • Order the kit online or through a pharmacy.
  • Follow the instructions for collecting a small blood sample from your finger.
  • Mail the sample back to the lab in the provided packaging.
  • Wait for your results to be delivered online or by mail.

Interpreting Results

Now that you have taken the at-home thyroid test, you will receive your results in the form of numbers. These numbers can give you an idea of whether your thyroid is functioning normally or if you need to take action.

If your thyroid function test results fall outside the reference range or if you have any concerns, it is essential to consult your doctor. Your doctor can conduct additional tests to determine the cause of your abnormal results, diagnose any underlying thyroid disorders, and recommend appropriate treatment options. Additionally, if you have thyroid disorder symptoms, such as weight gain, fatigue, hair loss, or depression, it is essential to seek medical advice promptly.


In conclusion, thyroid function testing is crucial in detecting and treating thyroid diseases. Traditional testing methods involve a visit to the doctor and laboratory tests, but at-home testing kits offer a convenient and accessible alternative. The results of these tests are reliable, and with the help of healthcare professionals, individuals can interpret their results and receive appropriate medical attention if needed. Testing at home is especially important during the pandemic when many people avoid visiting healthcare facilities.

Get your at Home Lab Test with Concierge MD

If you need a lab test but want to avoid traveling to the doctor’s office, consider Concierge MD as an option. We are a licensed mobile healthcare provider with a wide range of services, including lab testing. You can make an appointment online or over the phone for one of our healthcare specialists to visit you in your home and collect samples for one of our many accessible lab tests:

  • Wellness Panel
  • Male Hormone
  • Female Hormone
  • STD Panel
  • Thyroid Panel
  • Anemia Panel
  • Food Sensitivity
  • Genetic Cancer Screening
  • Micronutrient
  • Gut Microbiome
  • Inflammation Panel
  • Heavy Metal Panel
  • Sleep and Stress Panel
  • Urinary Health Panel
  • Vaginal Health Panel
  • and more… 

Our staff will assure the safe delivery of samples to our lab. When your results are ready, we can assist you in interpreting them and help you move forward toward a better self. Concierge MD is a private and professional healthcare service that focuses on you. Contact us immediately to order your lab testing!

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