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.
Answered 5/11/2017
700 views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question