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A member asked:
Urine collection - 1790 - 10dsp/no thc/phn (1790)? i understand thc stands for marijuana. what phn stands for?
A doctor has provided 1 answer
PHN - PHN in a drug test stands for p-Hydroxynorephedrine (PHN), or 4-hydroxynorephedrine, a para-hydroxy analog of norephedrine and an active metanbolite of Amphetamine, what this means is that it will check for breakdown products of AMPHETAMINES in your system as well.
Answered 10/4/2021
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