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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Drug Test Positive For Marijuana Without Smoking?

hi i recently got some drug test done and the first one was sent to a lab and came back negitive. then a week later i had the 10-12 panel on the spot test done and it came back positive for marijuanna (olny after the tech did it twice the first time pcp came up as undetermined) now my questions is what could have caused this? i do like with someone that smokes marijuanna but we always have the windows open and fans blowing. should i try to get another test done? can the one the spot test be faulty? and im sorry if i didnt write enought info and thank you for your time.
Wed, 8 Jun 2016
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Psychologist 's  Response
Dear friend,

It it is possible that you breathed in suffient second-hand smoke to have given a positive result on your test. Just to make sure it wasn't a testing error, take another test, perhaps from a different laboratory. If it still comes out positive then you will have learned an important lesson about second-hand smoke. If not, you will have the negative test you are seeking. I wish you good fortune.

Warm regards,

Elliott
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What Causes Drug Test Positive For Marijuana Without Smoking?

Dear friend, It it is possible that you breathed in suffient second-hand smoke to have given a positive result on your test. Just to make sure it wasn t a testing error, take another test, perhaps from a different laboratory. If it still comes out positive then you will have learned an important lesson about second-hand smoke. If not, you will have the negative test you are seeking. I wish you good fortune. Warm regards, Elliott