Drug Tests: Is within a difference?

Just wondering....
Drug tests... can the test tell the difference between Vicodin, Oxycodone and Codeine? And is the answer indistinguishable for blood tests vs. urine tests? Since they are all opiates, I would assume the theory test could not differentiate.

And are you SURE of your answer?
they'll show up under the same category unless the doctor orders a specific blood assessment. don't worry -provide the prescription and you'll be fine.
The three drugs will test positive for opioids because they have similar metabolites. Oxycodone will also theory test positive for oxycodone because it has another metabolite which is specific to itself. Either way, they will all be detectable for approx. 72 hours within the urine and blood. Source(s): Pharmacist
It used to depend on the lab doing the testing. But nowadays it is more basedagainst the specific test ordered.

In both urine and blood, some will just give a positive for opiates and some will if truth be told be able to tell which particular opiate it is.

Most test today can differentiate between codeine (Tylenol 3, 4 and 5), hyrdocodone (Vicodin), oxycodone (Percocet) , Demerol, morphine, methadone and Dilaudid. However, tests cannot differentiate between oxycodone and Oxycontin or morphine and MS Contin. the "contins" are just time release versions of those extraordinary drugs. In urine, the drugs metabolize out of your system in 72 hours or so...blood takes a few days longer to be safe.

Now, most test for workplaces will have a cheaper test that will just update if an opiate is present...but...court ordered tests and DOJ (Department Of Justice for parole/probation) will use the more sensitive tests that can tell the difference.

I am undeniably sure because I once did part-time work for Sterling Labs in Portland, OR.

If you have any more question, please feel free to message me:)
i think so bcuz there adjectives different opiates. now if you were talking whether you took a lortab or vicodin (both hydrocodone) afterwards i doubt that

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