It is long acting: and if you were taking it regularly, it's metabolites could be detected in urine for weeks, which is what I assume you are really asking. Not sure how you are taking it, since it has been banned in the US for about 10 years. Depending on what test is used, it may not show up, since it is chemically different than usual opiates like oxycodone and hydrocodone. If they do GC/MS it will show up.
Answered 5/30/2014
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