normal levels

[haxsaw]

what are the normal range levels for t4 test and tsh ? also can premin make a false reading ?

[toolil2bebad]

I have family history of thyroid problems. Everybody has hypo except my sister who is hyper and has graves disease.

My childrens Dr wanted to test to my daughter last year, she was fine. The following week she ended up in the hospital and her test was high. She had it repeated and I just got it faxed to me today
results are
T3- 3.0
t4- 1.33
TSH- 1.61
Im semi familiar with these but then they ran a test Thyroglobulin it is ABnormal but only has reference range of <1:10 and results 1.2500 ?

Is this hashimotos?
Totally confused. I have never heard of these last 2 tests in my 20 years of having thyroid problems.
Does anybody know if there is something that can cause a 12 yr old girls thyroid to be fine one week then the next week, in extreme levels? can stress maybe bring that on?

Thanks for any information anybody can share with me

[sotired48]

What about free T4?  Will prempro (hrt) falsely increase Free T4?

[Mark Lupo, M.D.]

For Total T4 - premarin will falsely increase the reading (due to estrogen increasing thyroid-binding-globulin).

normal Total T4 is about 5 -  12 (depends on lab)

TSH normal (to me) is 0.3-3.0 but this also depends on lab -- TSH is not affected by premarin.