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What is normal range for FreeT4?
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What is normal range for FreeT4?

I will be having my first blood test for Free T4 on Monday. Does anybody know what the normal range is? Also, the last time I had blood work done, only had result for TSH which was 0.6 . I have been taking Synthroid 25 mcg for the last 2 months and wondering if my TSH will go up or down.  I had a PT on 5/1/08 and taking the meds to keep existing thyroid side from overworking. (this is what my Endo said and why he put me on meds).
Thanks.
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213044_tn?1236531060
The range for Free T4 varies from lab to lab.
0.7-1.8 is close, but each lab is a little different.

Where you want to be is about in the middle, or a little higher.

Good luck with your blood tests.
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561964_tn?1283802216
Thanks alot for answering my question. Have a great day!
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519736_tn?1253990426
What would a free t4 of 1.1 (ranges 0.8-1.8) suggest.....is this a little on the low end?
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