Achilles2323 Posted June 2, 2013 Report Share Posted June 2, 2013 Silly question but I have to draw blood tomorrow for a lot of tests the doctor ordered. I have a 24 hour urine test and tomorrow as well will the drawing of the blood effect the urine test Cortisol and catacholomines urine Quote Link to comment Share on other sites More sharing options...
Katybug Posted June 2, 2013 Report Share Posted June 2, 2013 I've done both on the same day and it didn't seem to affect the results at all. Quote Link to comment Share on other sites More sharing options...
MightyMouse Posted June 2, 2013 Report Share Posted June 2, 2013 unlikely Quote Link to comment Share on other sites More sharing options...
Lethargic Smiles Posted June 2, 2013 Report Share Posted June 2, 2013 The blood work itself shouldn't mess with it since they won't take much.However... Do you have to fast for the test? If so, learn from me and have your collection start time be after you are done fasting. For some reason, the doctors and nurses didn't stop to think that they were having me fast a bunch (including no fluids) and collecting urine at the same time. I had to fast part of the day prior to my 24 hour urine test for some tests, and then fast half of the following day which was the day I started the urine collection. That messed up my urine screen and made it look like my body wasn't retaining sodium properly. Unless you have to fast for half the time period you are tested, I wouldn't think it'd be a problem. Just eat/drink as you normally would so it is an accurate reflection of a normal day for you. Quote Link to comment Share on other sites More sharing options...
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