See below : It can not be stored in a kidney stone. If you have not taken it in 4 months there is no way it could be positive.
Answered 10/10/2012
5.6k views
Type of test: Was it a screening test or a confirmatory test. Screening tests do give false positives and require confirmation by mass-spectrometry. Kidney stone would not give a false positive test.
Answered 1/25/2020
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