I don't agree with most people on this thread.
No way the NCAA is going to pay for hair test first time out. They will test your ratio first to see if you are a suspect. That test is cheap. Then if it looks like your ratio is off then they will test to see what you're on. Or were on.
If you've been off 3 weeks and you can put it off another week you could beat it. Depending on how much you were using, which you neglected to post.