It : It depends on what clotting tests are being drawn (there are a ton depending on what you're looking for) and why you are on the aspirin. You should call and ask the doctor that ordered the testing. They will know what tests they ordered and when (or if) you need to stop the aspirin.
Answered 10/3/2016
5.3k views
Three days: You should stop taking aspirin at least three days before the date of specimen collection for testing.
Answered 10/30/2018
255 views
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