3-30 days: Generally urine tests can detect marijuana in the urine for approximately 3–30 days after use, depending on the amount and frequency of use. For regular smokers of marijuana up to 30 days could be anticipated. If however you rarely smoke and just took a few puffs 27 days ago it's not likely a urine test would be positive. I wish you well with your health!
Answered 7/28/2019
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