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Because they are both opiates. (derivatives of constituents found in opium)

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Q: Why does a drug test for heroin show positive for codine?
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Does Tylenol with codine show up as heroin?

Codine is an opiate, and heroin is also an opiate. So if drug tested after taking Codine, you would test positive for opiates. Drug tests don't test for "heroin" or "Marijuana", they test for THC or Opiates, and other various controlled compounds.


Does augmentin show up on a drug test?

Augmentin will show up on a drug test positive as heroin, Mostly all antibiotics will show positive in a drug test but it depends on the chemicals inside it some will show as cocaine and some will show as heroin.


Will codine show up if your taking methodone?

codine is not listed on the standared drug test will it show up and what as


What could cause a false positive urinalysis to show up as morphine?

Using some over the counter medicines like Codine can show up as Morphine.Codine is derived from opium as is morphine and some drug tests,mix them up. If you were say using Heroin and Morphine showed in the test that could well be the Heroin was cut with various chemicals not least some morphine.


What will Tylonal codine show up as on a drug test?

An opiod.


How can a drug hair test come up positive for heroin when youre prescribed ocycodone?

i think you meant to say OXYCODONE and NO heroin WILL NOT show up as Oxycodone.. Only the heroin that your banging in your vein will show up as heroin.. seek help now!


For DOT employees will pills like oxycodone show positive in a DOT drug test?

Yes, oxycodone is a narcotic and will show up in the narcotic class along with heroin and morphine.


What prescription drugs show up as heroin in drug test?

Heroin actually shows up as morphine in a drug test. ALL opiates, except for morphine which is already morphine, have morphine as their first-stage metabolite. You do heroin, it changes to morphine. Do codeine, it changes to morphine.So...any drug that is an opiate shows up as "opiates." Poppy seeds used to do this, but they've adjusted the cutoff to the point you'd have to eat a pound of poppy seeds to come up hot on a drug test.Heroin will show up as morphine in a drug test. There are some drug tests that are not specific for example all opiates come up the same. The test will not tell the difference between vicodin and heroin, it will come up the same. All heroin is morphine with an added chemicals to magnify its potency.Diacetylmorphine


Can morphine give positive results for heroin?

Drug testing labs usually don't specifically test for "heroin", they test for opiates in general, and yes, morphine will show up on those tests.Morphine, heroin, and codeine are all very closely related chemically.


Does Darvocet show up as heroin on a drug test?

yes


What drug does charlie from lost do?

heroin ,but they dont show him sniffing it .


How many poppy seeds do you have to take for a drug test to show up as coke?

no amount, poppy seeds only give a false positive for, heroin or, opiates !