A member asked:

I took a oral swab drug test for a job. they said i was positive for heroin when i haven't used heroin since 2001. i am on methadone maintenance. ?

9 doctors weighed in across 2 answers

Unreliable : Oral swabs are prone to error. Ask to be tested by a serious lab workup.

Answered 1/12/2018

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Dr. Paul Williams answered

Specializes in Family Medicine

+ drug test: Interesting - Currently under federal law URINE is the ONLY specimen allowed and only 5 classes of drug/metabolites opiates, amphetamines, PCP, cocaine and marijuana. Methadone would NOT be detected under this scenario. Saliva testing would NOT show cross reaction between heroin & methadone. I would insist on a repeat. Ask to see the report and confirmatory results - good luck

Answered 1/16/2018

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How do I go about finding a doctor who prescribes methadone for heroin?

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