Cannabis Metabolite in Blood: What Tests Detect and How Long It Lasts
The main cannabis metabolite in blood is THC-COOH, an inactive THC breakdown product. Learn detection windows, cutoffs, and what a positive result means.
The length of time cannabis remains detectable in the blood can vary significantly. Generally, it can be detected for up to 3-7 days after use, depending on factors like frequency of use and dosage. Chronic users may have detectable levels for longer, up to 30 days or more.
Cannabis Metabolite in Blood: What Tests Detect and How Long It Lasts
Drug tests typically look for THC, the primary psychoactive compound in cannabis. Urine tests are common, detecting THC for up to 3-30 days, while blood tests can detect it for up to 3-7 days.