Bloods

[shezz]

I had my b12 today and got a orint our of my last bloods it reads serum free t4 level (XaERr) 20.5 pmol/ l serum free triiodothyronine(XaErq) 6.2 pmol/ l (3.5-6.5. Serum tsh level ( XaElV 0.01 miu/ l (02-4)- low tsh on thyroxine treatment target in ca thyroid is tsh <0.10 mi/ l can any one enlighten me me plz

[Issy]

when was the bloods taken in relation to when you took your thyroid meds?

[shezz]

Last yri think december time as I wasbmnt due till march but I felt to tired and they were the results

[Heloise]

You say those blood test results are from December. You don't give the ranges for T4 but it looks fairly high, your T3 is also in the high end which is also very good. Your TSH (.01?) is low which is also excellent. But if you took your medication the morning of the tests, these values may be from doing that. It's better to wait until AFTER you have your blood drawn before taking your meds. Those numbers are probably not as good if you are feeling tired and you may need to increase your pills.

[shezz]

I take my levo in the morning and I have my bloods done in the afternoon at my local hospital

[Heloise in reply to shezz]

Click the reply line to answer.

Afternoon is the worst time to take blood samples and especially if you have your daily dose in your bloodstream. Your TSH can fluctuate greatly during the day. The thing is that you don't want your bloods to look a lot better than they really are. It can be deceptive.

[shezz]

May be but its the only time I can do bloods as I work mornings and ot would mean me having a full morni g of but thank you any way