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A member asked:
Is a false positive result in stool blood testing possible?
4 doctors weighed in across 2 answers
Yes: Occult blood tests based on testing for peroxidase activity generate false positives from eating meat, horse radish and iron intake.
Answered 1/29/2012
6.1k views
Thank
Certainly: If you take an iron supplement, it will turn a stool test positive, as that is what the stool test is for.
Answered 7/5/2012
6k views
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