Results: First bloods T4 11.7 Tsh 7.93 ferritin... - Thyroid UK

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manaquin profile image
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First bloods T4 11.7 Tsh 7.93 ferritin 31.3 vit b12 364.0 folate 14.0..... results after been on eltroxin month T4 15.0 TSh 0.86........ i cant get my head around under standing results im on 100mg eltoxin

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manaquin
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Clutter profile image
Clutter

Manaquin, If you have the lab ref ranges (the figures in brackets after your results) please post them. It helps members interpret the results.

manaquin profile image
manaquin in reply to Clutter

First blood result T4 11.7 (8.7-16.5) tsh 7.93 (0.34-5.60) Second blood results t4 15.0 (8.7-16.5 tsh 0.86 (0.34-5.60)

Clutter profile image
Clutter in reply to manaquin

Manaquin, When FT4 is low TSH rises to stimulate the thyroid gland to produce more hormone. When the pituitary gland detects sufficient circulating thyroid hormone TSH drops.

Your first results show FT4 11.7 low in the 8.7-16.5 range and that is why your TSH was high 7.92 and above the 0.34-5.60 range.

FT4 15 is excellent, very near the top of the 8.7-16.5 range so your TSH has dropped to 0.86. Most people will be comfortable with TSH just above or below 1.0. You appear to be optimally medicated on 100mcg Eltroxin.

manaquin profile image
manaquin

Thanks clutter..

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