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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Will Nicotine Or Marijuana Show Up In The Blood Test?

Hi i have a blood test due tomorrow and i admit iv done some weed for the past few weeks and im a regular smoker, my uncle has been admitted in hospital and the doctor wants a blood test for the family to see if his low placlets are genetic. will nicotine and marajuana show up in my blood count?
Thu, 22 Dec 2016
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Psychiatrist,  's  Response
Hello,
Thanks for using Healthcaremagic.

There is definite risk of testing positive for cannabis as it is routinely included for urine as well as blood tests. Although nicotine is not included as standard test but there is risk of getting positive result provided they include in test battery.

In regard to risk of getting tested positive I like to inform you that if you smoke today you can be tested positive for next three days on blood as well as urine tests. If you are using it on regular basis you may get tested positive for next two weeks.

I hope this answers you.
Thanks and regards.
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Will Nicotine Or Marijuana Show Up In The Blood Test?

Hello, Thanks for using Healthcaremagic. There is definite risk of testing positive for cannabis as it is routinely included for urine as well as blood tests. Although nicotine is not included as standard test but there is risk of getting positive result provided they include in test battery. In regard to risk of getting tested positive I like to inform you that if you smoke today you can be tested positive for next three days on blood as well as urine tests. If you are using it on regular basis you may get tested positive for next two weeks. I hope this answers you. Thanks and regards.