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For the pain management panel only, regardless of the screen results, GC/MS confirmation for the following drugs are completed and reported individually as positive/negative with a detection limit of 100 ng/mL: morphine, codeine, oxycodone, oxymorphone, hydrocodone, hydromorphone.
Answered by The Community. Making the world better, one answer at a time. Yes Naltrexone has been known to test positive for opiates in almost all at-home drug screens. I was baffled when I tested my daughter, until I called her doctor and confirmed that Naltrexone can indeed cause a false-positive.uboxone can test positive for opiates, as it contains buprenorphine, a mixed agonist-antagonist opiate. Suboxone also contains naloxone, an opiate antag onist.