one woman remained clinically hypothyroid for six months with a low t4 concentration ( 3.2 mug/dl ) , an elevated tsh level ( 48 muu/ml ) and evidence of a persistent organification defect -- two hour rai uptake decreasing from 33 to 23 per cent after the administration of perchlorate and the 24 hour rai uptake increasing from 32 to 76 per cent following the administration of tsh .
C0020676
hypothyroid
C0040132
tsh