Thyroid Panel | Dr. Jolene Brighten | DrBrighten.com

Why I Require a Complete Thyroid Panel & Your Doctor Should Too

Dr. Jolene BrightenPublished: Last Reviewed: Thyroid & Hormone Balance Leave a Comment

In my practice, I make it a point to order a complete thyroid panel test on all of my patients, especially those with symptoms or who have just had a baby. The majority of my patients have never had a complete thyroid panel, as their doctor would only order a TSH.

What Is TSH?

Thyroid Stimulating Hormone or TSH is a pretty standard blood test to run to assess overall thyroid health. In fact, running a TSH test on its own is pretty normal in many conventional doctor’s offices and some Naturopathic and Functional Medicine as well.

Sure, an out of range or high TSH is a clear indication that something is going on with your thyroid, but unfortunately, it’s not the whole picture. In fact, your TSH can read as “normal” and all the while, hypothyroidism or even autoimmunity can still be lurking underneath.

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We already know that the “normal” range for TSH has been widened to reflect an already sick population and there have been several studies calling for a more narrow range. This means that while a “functional” or optimal TSH range is about 1-2, with upper limits being about 2.5, the conventional range goes all the way up to 5.0 (which is pretty high, indicating hypothyroidism).

But there’s another problem with testing TSH by itself. TSH as a pituitary measurement alone does not indicate the response of the thyroid to the pituitary signal or the ability of the body to convert T4 to the active T3 hormone.

On top of that, autoimmune thyroiditis is found in about 90% of hypothyroid patients. And an autoimmune disease is treated differently than hypothyroidism alone.

90% of hypothyroidism is due to an autoimmune disease. Get tested & find the root cause! Click To Tweet

It’s important to test for antibodies as they are predictive of the disease, meaning they can show up years before enough thyroid tissue has been destroyed to render you hypothyroid, aka presenting with symptoms. Furthermore, Hashimoto's (autoimmune hypothyroid disease) is associated with upwards of a 14% increased risk of developing other autoimmune conditions.

So, confirming that you do or do not have Hashimoto’s as opposed to hypothyroid alone is important because: a) those two conditions are treated differently and b) an actual autoimmune diagnosis is an indicator that you may need to test for other autoimmune antibodies.

What Is Included In A Full Thyroid Panel?

A full thyroid panel includes the following;

  1. TSH
  2. Total and Free T4
  3. Total and Free T3
  4. Reverse T3
  5. Anti-TPO
  6. Anti-thyroglobulin

Getting a full thyroid test done ensures that we do not miss a disease in its early stages. If your chief concern is fatigue, depression, and anxiety— all of these symptoms warrant a full examination of the thyroid. It is well established that these symptoms can be a manifestation of thyroid disease and a comprehensive thyroid test will identify areas for treatment.

What does a full thyroid lab workup look like? Watch this video I’ve made just for you before getting a comprehensive thyroid panel! And download the list of recommended labs who offer a thyroid blood panel for women who suspect or have thyroid disease.

Download a free copy of Your Hypothyroid Guide!

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References

  1. Medline Plus. TSH (Thyroid-stimulating hormone) Test.
  2. Mayo Clinic. Hypothyroidism (underactive thyroid).
  3. Wartofsky L, Dickey RA.. The evidence for a narrower thyrotropin reference range is compelling.. J Clin Endocrinol Metab.. 2005. 90. 5483-8.
  4. Amino N.. Autoimmunity and hypothyroidism.. Baillieres Clin Endocrinol Metab.. 1988. 2. 591-617.
  5. Boelaert K, et al. Prevalence and relative risk of other autoimmune diseases in subjects with autoimmune thyroid disease.. Am J Med. 2010. 123. 183.
  6. Bharat Rakeshkumar, S et al,. Celiac autoimmunity in autoimmune thyroid disease is highly prevalent with a questionable impact. Indian J Endocrinol Metab. 2016. 20. 97-100.
About The Author

Dr. Jolene Brighten

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Dr. Jolene Brighten, NMD, is one of the leading experts in women’s medicine and is a pioneer in her exploration of the far-reaching impact of hormonal birth control and the little known side effects that impact health in a large way. In her best selling book, Beyond the Pill, she shares her clinical protocols aimed at supporting women struggling with symptoms of hormone imbalance, including Post-Birth Control Pill Syndrome and birth control related side effects. A trained nutritional biochemist and Naturopathic Physician, Dr. Brighten is the founder and Clinic Director at Rubus Health, an integrative women’s medicine clinic. She is a member of the MindBodyGreen Collective and has been featured in prominent media outlets such as Forbes, Cosmopolitan, ABC news, and the New York Post. Read more about me here.