False positive for opiates. what can i do?

Diet changes: Make sure you are not taking any cold medicine that could have codeine. Avoid poppy seed bagels since the poppy is the plant used to make opium.

Repeat and appeal: If there is a false positive on a drug screen you can ask for a repeat. There is also the possibility of having nail or hair samples tested, this will give the investigators a longer time frame of your history to examine. However, it will be difficult to undo the damage of one positive drug screen without a lot of work on your part.