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What To Eat Before Blood Test

e&j0304

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e&j0304 Enthusiast
e&j0304
Posted

I was just wondering what I should do with Ella before she's tested so that we get the most accurate results. Should this be done after fasting (first thing in the morning) or after eating gluten during the day?

I kind of want them to test her glucose levels again and I know they want her to fast for that so I suppose they would draw all the blood at the same time.

What do you all think? I'm nervous about getting an accurate reading as it is because she's still young (2 1/2 years) so I want to do this right to get the most accurate result.

Any advice would be helpful! We go tomorrow to the ped to talk about testing....

shannon

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SueC Explorer
SueC
Posted

Hi Shannon,

I don't think an overnight fast would effect the celiac panel. As long as she is not on a gluten-free diet your results should be accurate.

Sue

Guest nini
Guest nini
Posted

I had my blood test after consuming a meal FULL of gluten... (but then again I didn't know I was going to be tested for Celiac when I went to the GI appt.) so, no fasting...

KaitiUSA Enthusiast
KaitiUSA
Posted

An overnight fast will not affect the results. You have to be off of gluten much longer then that.

Carriefaith Enthusiast
Carriefaith
Posted

If you are getting other tests done (lile glucose levels) than she may be required to fast. Fasting for 12 hours should not affect the results. I was sent to the GI doctor not knowing what would happen and he drew blood for celiac that day. My results were very positive for celiac and I don't believe that I had very much gluten if at all within 12 hours prior to the test.

  • 5 years later...
twinkle-toez Apprentice
twinkle-toez
Posted

How much gluten were people consuming in the days/ weeks/ months prior to being tested though?

Would eating crackers on a regular basis, and bread intermittently be enough to show a positive result?

tarnalberry Community Regular
tarnalberry
Posted

The equivalent of 3-4 slices of bread a day for 3 months to feel fairly confident that you've got low odds of a false negative. There's no exact answer that works for everyone, as it depends on how quickly your intestines are damaged (and how much repair work is going on at the same time).

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