I have jusy ordered thyroid blood tests from blue horizon to do at home. Just wondering if there is a best time of day to do them. I know this may sound awful but I want tests to be at their worst so to speak as my gp is refusing to re run tsh and ft4 I had done 15 months ago and said there was no point as they wouldn't have changed in this time. Would be grateful for some help on this
Is there a best time of day to do blood tests? - Thyroid UK
early morning.. x
If you are on thyroid meds, don't take it until after your test..
Thanks. I m not on any medication
I've recently done this. My NHS bloods at the beginning of Feb at 9.00am were TSH 3.8 (0.27-4.2). Did my BH test at 3.45am and my TSH went to 7.08 (0.27-4.2). Just have a 3 week wait to see my GP now.
Good luck with the test, it's easier than it sounds
Thanks for reply. So your tsh was higher in the afternoon?..my gp doesn t think it would alter in 15 months. Last tests feb 2013 tsh 1.5 (0.28-5) and ft4 13.5 (12-19).
Draw blood as early as possible in the day.
Did mine at 5am - nearly 2 points above - went from 3.14 (blood taken at 4.50PM) to 5.07 taken at 5AM - well worth the effort. Nobody teaches Docs about Body Clocks!!! XX Good Luck - if you can't get the blood out, stand up.
Yes - as everyone says, get them done as early as poss. I have a conundrum:
I'll soon be having two TSH tests, one ordered by endo and the other ordered by GP and each going to a different lab.
What's the possibility of getting a private phlebotomist drawing bloods as early as poss (well before the hospital phlebotomy depts are open) in response to NHS request? Not sure it's viable but I could ask. I'd be interested to see the difference between the two readings from the different labs.
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