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It Is Possible To Pass For Oxycodone And Fail For Oxymorphone After Taking Percocet

Updated October 1, 2021
G Says:
Thu, April 10, 2014

Oxycodone metabolizes into Oxymorphone at a rate that generally does not exceed 15%. But........ Oxymorphone has a half life of 7-9 hrs vs. 2-3 for Oxycodone. So it is possible to pass for Oxycodone and fail for Oxymorphone after taking Percocet.

1 Reply

1
Jazmin Says:
Mon, April 27, 2015

i took oxycodone and oxymorphone why did my urine test only come up positive for oxycodone ? I took it at 10 pm and took test at 10 am

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