Doctor insights on:
I have a patient that intermittently has a low reading for norfentanyl with no explanation. No street drug use in over 30 days...
Anything that would cause a false positive for norfentanyl pain doc said it came back from lab in cali but we are in ny with plenty certified labs?
Norfentanyl: If this is a result from a confirmation lab - then it is accurate. ...Read more
I had a positive toxicology for norfentanyl. I have never used fentanyl or norfentanyl. I am prescribed Suboxone, Gabapentin, Concerta and klonopin (I?
Test for norfentanyl: Discuss cross reactivity in the meds you take with the method that was used to test you. Suspect some cross react. Discuss with person ordering testing as they know the exact method used. ...Read more