Help with tests. Normal TSH but FT4 and FT3 in the lower 25% range?

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New Member

Date Joined Nov 2017
Total Posts : 1
   Posted 11/4/2017 7:02 PM (GMT -6)   
Hi everyone!
I'm new here, so thanks for your help in advance smile
I'll try to keep it concise.
In a nutshell, I've been dealing with depression and anxiety for about 10 years now, taken a good cocktail of antidepressant medications and the such. Recently I got recommended to check my thyroid which is something I had never done. Doing a lil' reading I found out that feeling low on energy/sleepy, bad memory, lack of attention and low libido are also symptoms of thyroid problems which are things I deal with as well. So, I got tests done and got told my results were 100% good, but I noticed that a couple of things are on the lower end of the range.
Here are my results:

TSH 0.94 ref ( 0.35-5.50 )
FT4 1.01 ref ( 0.89-1.76 )
FT3 2.90 ref ( 2.30-4.20 )

T3 Uptake 28 ref ( 22.50-37.00 % )

RT3 10 ref( 8-25 )
TPO <4 ref( 0-25 )

Any thoughts?

Veteran Member

Date Joined Mar 2014
Total Posts : 5192
   Posted 11/7/2017 10:51 PM (GMT -6)   
Wow is this forum dead.


TSH 0.94 ref ( 0.35-5.50 ) The higher the TSH, the more hyPO you are, your good here
FT4 1.01 ref ( 0.89-1.76 ) This is in the mid- good
FT3 2.90 ref ( 2.30-4.20 ) FT3 is converted in your body from the FT4; its getting close and funny it didnt make TSH higher. You might have a conversion problem in the future.

If you ever do this again for comparison, have the blood draw close to the same time.

T3 Uptake 28 ref ( 22.50-37.00 % ) - outdated, no one does this anymore but your Dr LOL.

RT3 10 ref( 8-25 ) Reverse T3. If this says "calculated" then its good. Depending if the lab did the math or not.
TPO <4 ref( 0-25 ) This is autoimmune antibody measurement, which usually has a limit you should be UNDER, not a range, this is a weird way to test it.

Post Edited (astroman) : 11/7/2017 9:02:40 PM (GMT-7)

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