Two sites to check out that should answer your question:
http://www.drugs.com/forum/featured-drugs/adderall-drugtest-45200.html
http://www.drugs.com/answers/how-long-does-adderall-stay-in-your-system-prior-t-4937.html
Hope this helps.
I took it for a year for my ADHD and i worked for braums and they drug tested me and hired me so i would say no..also i notified them that i was prescribed it so that could be why..i dont know it really just depends on if your prescribed it or taking it recreational..