THC is tested in every common drug test.
Single use
THC detection time in blood: 12-72 hours
THC detection time in urine: 7-10 days
Regular use
THC detection time in blood: 1-2 weeks
THC detection time in urine: 6-8 weeks
Chronic use
THC detection time in blood: 2-3 weeks
THC detection time in urine: 6-12 weeks