New Record for Positive Urine Test!

OK, folks keep asking "How long can I test positive on a urine test?"

Until today, I would say 45 days, but that record has been broken.

Now the guy was using a gram a day and was morbidly obese (440 lbs/ 6'2"), so his body had stored a lot of THC in his fat. But even under supervision, he tested positive for 102 days!
Link leads to the full case study.


Prolonged detection of cannabis in urine of a consumer in a Forensic hospital, Victoria, Australia, up to 102 days of abstinence - A case report. (Australia) (full – 2023)
Prolonged detection of cannabis in urine of a consumer in a Forensic hospital, Victoria, Australia, up to 102 days of abstinence - A case report - ScienceDirect

Urine drug screening is a frequently used method to detect the abuse of psychoactive substances. Daily heavy cannabis users can have positive urinary cannabinoid metabolites up to 30 days following abstinence.

Case presentation
Consumer is a 29-year-old male with BMI of 54.64 Kg/m2 and a history of long-term cannabis dependence. He was diagnosed to have co morbid mental illness of schizophrenia. His-urinary drug screen was positive for cannabinoid metabolites 102 days following abstinence. He had neither access nor other objective evidence of cannabis use during that period. Confirmatory testing using GC/MS method confirmed the dropping concentration of cannabinoid metabolites over 102 days and confirmed the same with cannabinoid creatinine ratio.

Conclusion
This is the longest detection period of urinary cannabinoid metabolites following abstinence of cannabis use. Differentiating active recent cannabis use from long term excretion of previously used cannabis is vital in making legal and treatment decisions.


Granny