Oxycodone bs Hydrocodone Questions › Category: Tox Screens › Oxycodone bs Hydrocodone 0 Vote Up Vote Down Melinda asked 2 years ago Can Hydrocodone show up as a low level of oxycodone on a urine test? 1 Answers 0 Vote Up Vote Down Jeffrey Fudin Staff answered 2 years ago Yes. It shouldn’t but I’ve seen it happen. I’m actually authoring an article very soon that includes this information.