Roxicodone (Oxycodone). You can but it requires a special low-cutoff test. Standard opiate panels seldom detect oxycodone but more and more drug test labs are offering the expanded panel tests (optional) that do detect the semi-synthetics.

Soooo....it depends on the test that is ordered.

Added: Oxycontin, Roxicodone. Both Oxycodone and do not contain codeine. Does contain a very small amount of natural opiate combined with synthetics, semi-synthetic.