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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does Presence Of Weeds In The Body Show Up In Tests?

I just got tested for mono, and it came up positive. They also said I have a low platelet count. I smoked some weed for the first time in 2 years, and now I have to have more blood work done because of the low platelet count. Will the weed show up in the tests?
Wed, 29 Jul 2015
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Internal Medicine Specialist,  's  Response
Routine blood work does not include a toxicology screen. For the testing of blood for drugs, a requisition to check for a drug must be specified. Usually one tests the urine for the presence of drugs. A special requisition asking for a urine drug screen must be used.
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Does Presence Of Weeds In The Body Show Up In Tests?

Routine blood work does not include a toxicology screen. For the testing of blood for drugs, a requisition to check for a drug must be specified. Usually one tests the urine for the presence of drugs. A special requisition asking for a urine drug screen must be used.