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A 20-year-old male asked:

I had a stool test done it came back normal does that mean none of my stools cantain blood or just that piece tested thanks?

1 doctor answer1 doctor weighed in
Dr. Dwain Rickertsen
Family Medicine 36 years experience
Family Practice: When we test for blood in the stool there needs to be several samples usually at least 3. Yes you may have false negative testing or miss it on any given sample.

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Last updated Mar 11, 2013

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