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 a women’s hormone expert and prominent leader in women’s medicine. As a licensed naturopathic physician who is board certified in naturopathic endocrinology, she takes an integrative approach in her clinical practice. A fierce patient advocate and completely dedicated to uncovering the root cause of hormonal imbalances, Dr. Brighten empowers women worldwide to take control of their health and their hormones. She is the best selling author of Beyond the Pill and Healing Your Body Naturally After Childbirth. Dr. Brighten is an international speaker, clinical educator, medical advisor within the tech community, and considered a leading authority on women’s health. She is a member of the MindBodyGreen Collective and a faculty member for the American Academy of Anti Aging Medicine. Her work has been featured in the New York Post, Forbes, Cosmopolitan, Huffington Post, Bustle, The Guardian, Sports Illustrated, Elle, and ABC News. Read more about me here.