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Old 08-23-2004, 10:56 AM   #1
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Join Date: Aug 2004
Posts: 7
MimiLynn HB User
Question Help reading test results

I finally got my labs from my DR. I had labs done on 8/6/04.
I had labs done on Juy 1 that showed a low T3. I went in again
for a T3 uptake test and this is what I have

T3 Uptake 19.6 range 23.4-42.7%
T3 Free 4.9 range 1.8-5.4

I don't understand about the T3. Are my numbers low or borderline?
Can you have normal on the thyroid tests and only a low T3 uptake?
Will an endocrinologist treat this? I have heard so much about
Free T3. I have all the classic symptoms, epsecially the horrible pains
and exhaustion.

Any input would be greatly appreciated. I am trying to educate myself
so that I am ready for my endo appointment in Oct.

 
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Old 08-23-2004, 05:07 PM   #2
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Join Date: Feb 2001
Location: Georgia, USA
Posts: 662
K9Mom HB User
Re: Help reading test results

I believe the T3 uptake is an ESTIMATION, not a direct measurement.

The Free T3 is a direct measurement though and is considered to me a more accurate test as it is not influenced by estrogens (natural and synthetic) and many over-the-counter medications.

Your Free T3 is at the higher end of the normal range...which *could* give you symptoms of hyper.
__________________
Dx Graves 4/99, tx w/Tapazole & Atenolol - Remission 7/03; Relapse 1/06, back on Tapazole, remission & off meds again 11/06.

 
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