Thyroid UK
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Advice on blood tests

Hi I recently had Thyroid Check Plus done on Medichecks. I'm 19 years old and have symptoms since I was 12.

TSH - 3.73 [0.27 - 4.2]

FT4 - 12.2 [12-22]

T4 - 79.8 [59-154]

FT3 - 3.79 [3.5-7.7]

Thyroglobulin Antibody - <10

Thyroid Peroxidase Antibodies - <9.0

Obviously these are all in range but many resources say that a TSH above 3 can be considered hypothyroid. I'd appreciate if someone could make some suggestions/interpretations

One last thing to mention is that I had my TSH tested on the NHS a month before this and the result then was 1.57. Both tests were taken in the morning

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rslnhwt,

TSH 3.73 certainly indicates your thyroid is struggling but NHS won't diagnose hypothyroidism until TSH is >4.2 or FT4 is <12.0. Your FT4 is very low in range so I would ask your GP to retest in 3 months in case it drops below range. Arrange an early morning and fasting (water only) blood draw when TSH is highest, and take Levothyroxine after your blood draw. thyroiduk.org.uk/tuk/diagno...

Thyroid antibodies are negative for autoimmune thyroiditis (Hashimoto's).

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