Blood tests are very possible and can be done at any local physicians office. Hell, your pediatrician couldve drug screened your blood.

Urine tests have many different ways around them from pills to drinks to fake piss but blood tests you wont be able to fake.

And im pretty sure that cannabis can be detected in the blood up to 3 months, especially if he smokes everyday.... but im not totally sure tho..

I DO know that THC comes out of your urine for up to 2-3 months if you smoke everyday...meaning... if you smoke everyday, and you quit tommorow, you can easily fail a urine test for up to 3 months.
iwantFUEGO Reviewed by iwantFUEGO on . My friend's Blood Test Hey, My friend's been an everyday weed smoker for a while now, and he does ciggies too, but no other drug. Anyway, his parents know that he's dealt and smoked weed and shit for a while, so they're trying to find out if he's honestly quit like he told them he has by giving him 2 months to go clean. He's getting a blood test in 1 month now I think he said it was, and wants to get it out of his system as fast as he can. Are there any methods to pass a blood test for drugs? Rating: 5