Tests You Need to Have Done as a Hypothyroid Patient

As a thyroid patient, the below blood tests are recommended to get the full picture of what’s going on. If you still have symptoms, despite being on thyroid medication, explore these. If you feel well on your thyroid medication, monitor these regularly.

Basically, everyone should monitor their thyroid levels!

You may have to push your doctor or try a few different doctors before you find one who will do them. Alternatively, you could pay for them yourself if this is an option.

Click here for places you can order your own tests from. 

The results you should be aiming for are also shown below on the second half of the page.

  • Full Thyroid Panel, to include as many of these as possible:

TSH- Thyroid Stimulating hormone. A pituitary hormone. Read more here.

Free T3 – A measure of the active thyroid hormone, T3. It plays a bigger role than T4. There are binding proteins that attach to thyroid hormones to transport through the blood vessels, to cells all over our body. When they reach the cells, only the unbound “free” hormones can actually be used by the cells. Therefore Free T3 levels (and Free T4!) are important to monitor. It’s important to be aware that Free T3 and Free T4 are different to Total T3 and Total T4, with Total being pretty much useless to test. Make sure you check Free.

Free T4 – A measure of the less active thyroid hormone, T4. The body should convert T4 to T3 but doesn’t for a lot of thyroid patients.

Reverse T3 – This counteracts the T3 your body is producing. So it is important to test this wherever possible because the three above could potentially be OK, whereas a hidden overproduction of RT3 can cause on-going symptoms because your body is attacking the T3 that is produced.

Thyroid Peroxidase Antibody/ies (TPOAB) – This measures the amount of thyroid attacking antibodies in your blood and is used to identify an autoimmune disease like Hashimoto’s Thyroiditis.

Thyroglobulin Antibodies (TGAB) – Also used to identify an autoimmune disease like Hashimoto’s.

At the very least, you must have TSH, Free T3 and Free T4 done to get an accurate idea of how you are doing, but also testing Reverse T3 and the two antibody tests are also very important and beneficial.

Other Tests to Explore and results most sources (see sources at end of page) state to aim for:

TSH – 0.5-2 on T4-only medication, below 2 and often close to 0 on T3 containing thyroid medication.
Free T3 – Upper quarter of the range.
Free T4 – Midrange or a bit higher.
Reverse T3 – Low in range.
Reverse T3 Ratio – Over 20. Measure the ratio between the two by dividing the RT3 into the Free T3.
TPOAB and TGAB – In range (over range means Hashimoto’s).
B12 – As close to the top of the range as possible.
Vitamin D3 – 50-80 ng/ml, but as close to the top of the range as possible.
Folate/Follic acid – In the top quarter.
Ferritin – 70-90 ng/ml, slightly higher for men.
Serum Iron – 110 for women, 130-140 for men.
% Saturation of Iron – Women 35%, men 40-45%.
TIBC – About a quarter above the bottom of the range.
Folate – Top half at least.
Magnesium – Mid-range or higher.
Potassium – 4.2 or higher.
RBC Potassium – Top quarter of the range.
Zinc – Top third of the range.

24 Hour Saliva Cortisol Test –
8am – Top of the range.
Midday  – Upper quarter of the range.
4-5pm – Midrange.
11pm – Midnight – At the very bottom of the range.

DHEA – Above mid-range.

You can click on the hyperlinks in the above post to learn more and see references to information given, but more reading and references can also be found at:

https://www.holtorfmed.com/13-numbers-health-need-know/

http://jeffreydachmd.com/2016/10/antonio-bianco-tsh-inadequate-for-levothyroxine-treatment/

http://www.stopthethyroidmadness.com/recommended-labwork/

http://hypothyroidmom.com/hypothyroid-testing-what-you-need-to-know-and-ask-for/

http://hypothyroidmom.com/why-a-tsh-level-isnt-enough-to-understand-your-thyroid-condition/

http://www.thyroid-info.com/articles/selftesting.htm

https://www.verywell.com/what-do-your-thyroid-blood-test-results-mean-3232917

http://thyroidpharmacist.com/articles/top-6-thyroid-tests

http://www.stopthethyroidmadness.com/lab-values/

http://www.tpauk.com/main/article/how-to-calculate-your-level-of-reverse-t3/

To get notified of all my posts, blogs and articles, like my Facebook page here: https://www.facebook.com/TheInvisibleHypothyroidism/ 

And follow me on Instagram.

I run a Facebook group, called Thyroid Family: Hypothyroidism Advice & Support Group. This group is for underactive thyroid/hypothyroidism patients only, and not medical professionals or anyone else. If you have any questions on living with hypothyroidism, or want some support, help or advice, please join us. 

I also run a group for the spouses, partners and other halves of hypothyroid patients, called Hypothyroid Patients Other Halves – Support & Advice Group. This is for the other halves only and not patients. 

-Rachel

About Rachel Hill, The Invisible Hypothyroidism

Diagnosed with Hypothyroidism, Hashimoto’s Thyroiditis and Chronic Fatigue Syndrome (ME), as well as having Adrenal Fatigue and experience with Depression and Anxiety Disorder, Rachel Hill blogs at theinvisiblehypothyroidism.com to help others, covering all aspects of what it’s like to have these conditions. Rachel is one of the many faces of thyroid disease and she’s passionate about helping those with hypothyroidism and giving them a voice.
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One Response to Tests You Need to Have Done as a Hypothyroid Patient

  1. Pingback: Acid Reflux/Low Stomach Acid and Hypothyroidism. | The Invisible Hypothyroidism

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