Looking through my recent labs I found out that while my endo has ordered TSH, my GP ordered TSH 3rd generation. What's the difference between these two tests?
Just some background info. I was dx with Graves disease almost seven years ago and went into remission a couple of years ago (on tapazole). Unfortunately I relapse and was found that was very hyper again back in mid-June.
Since then I've had a couple of thyroid blood works but just realized the difference as the test I had done back on 07/07 was TSH 0.02 and the one I had two days ago was 0.004 (regular TSH).
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