A member asked:

Do fentenyl patches and oxycodone show up the same on a urinalysis?

A doctor has provided 1 answer
Dr. Donald Alves answered

Specializes in Emergency Medicine

Initially: Urinalysis looks for cells/protein/sugar/etc. Urine drug screen, looks initially for categories of common drugs, so both may trigger the "narcotic" test. Quantitative follow up / confirmatory testing then gets specific.

Answered 4/6/2013

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