Depends on: The test. If it is a urine drug screening test request for confirmation test with chromatography. Also ask your doctor what drugs cross react with that urine drug screening test with Fentanyl as this may differ from urine drug manufacturing company to another.
Answered 7/30/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
7 doctors weighed in across 2 answers
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