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what do labs mean

by clam26, Mar 31, 2009 05:50PM
Tags: labs
Hi there new to forum.  I have been having symptoms of hypothyroidism for some time now.  I just got more labs done was wondering what they meant.

T UPTAKE  34              Reference 24-39%

T4 FREE     1.40           Reference  1.7-1.7 ng/dl

TSH           6.38            Reference     0.27-5.01  uIU/ml

My doctor suggests .1 mg of synthroid to see if it helps my symptoms.

Any thoughts?
Member Comments (1)

by gimel, Mar 31, 2009 06:44PM
To: clam26
Lab results mean you are hypothyroid.  The free T4 is below range and TSH is above even the old reference range that you show.  About 5 years ago the AACE recommended the range be changed to .3-3.0, so you are considerably above that.   TSH means thyroid stimulating hormone.  It is put out by the pituitary as a signal to the thyroid glands.  When it exceeds the "normal" level  or reference range, it indicates the need for more thyroid hormone. So medication is the right thing.  
In the future I suggest that you get your doctor to add in testing for free T3, which is the most active component that most affects your metabolism.  
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