The 4 Panel drug test will test for the following drugs at the levels below. The chart also shows how long various drugs will stay in the system and be detected by this test.
4 Panel Testing Levels and Detection Periods
Drug |
Cutoff Level |
Detection Period |
Marijuana |
50 ng/mL |
3-30 Days |
Cocaine |
300 ng/mL |
2-4 Days |
Opiates |
2000 ng/mL |
2-4 Days |
Methamphetamines |
1000 ng/mL |
3-5 Days |