Quick answer
Marijuana in Idaho: prohibited. Idaho has no medical or adult-use cannabis program; marijuana remains fully illegal under state law. Employers may still enforce drug-free workplace policies and test employees.
Workplace testing
Idaho allows workplace drug testing and employers may act on positive results. Marijuana is fully illegal under state law, so there is no medical-card protection from testing.
Idaho does not protect off-duty cannabis use in employment; employers may still enforce drug-free workplace policies and test under state law.
Detection & panels
See how long substances stay detectable in our detection chart, compare standard panels, or use the test finder. Local testing locations in Idaho are listed on the Idaho drug testing page.
Frequently asked questions
Is marijuana legal in Idaho?
Idaho status: prohibited. Idaho has no medical or adult-use cannabis program; marijuana remains fully illegal under state law. Employers may still enforce drug-free workplace policies and test employees.
Can an employer in Idaho drug test me?
Idaho allows workplace drug testing and employers may act on positive results. Marijuana is fully illegal under state law, so there is no medical-card protection from testing.
Does a medical card protect me from testing in Idaho?
Idaho does not protect off-duty cannabis use in employment; employers may still enforce drug-free workplace policies and test under state law.