Did you by any chance take your thyroid medication before your blood test
that day? That will skew the results of T4 to be high even though the TSH
is also high. Waiting to take your medication until after your test will
be a more factual status of your T4 and TSH. Always have your bloodwork
about the same time of the day, too.
Janet
><< What does it mean when TSH and free T4 are
> both high? I thought if the TSH was high than the free T4 would be low.
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