06/08/2026
At-home drug tests are powerful tools, but to unlock their full potential, it's important to know how to interpret the results. One of the most common points of confusion is the infamous "faint T line", which makes people assume the test is a positive. However, the truth is quite the opposite. A faint line still indicates a negative result for the given cutoff level.
Read more about interpreting results, and the faint line phenomenon in our guide below:
A faint line on a drug test usually means a negative result. But what if it's barely visible? Learn what causes faint lines and if you should be concerned.