Urine methamphetamine-to-amphetamine ratio by LC-MS/MS to differentiate methamphetamine use from pharmaceutical impurity in patients prescribed amphetamine
Introduction: Patients compliant with prescribed amphetamine (AMPH) should not have detectable methamphetamine (METH) in their urine; detectable METH typically indicates illicit use. However, we have identified patients with results suggestive of METH as an impurity in prescribed AMPH. Objectives: D...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-08-01
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| Series: | Journal of Mass Spectrometry and Advances in the Clinical Lab |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2667145X25000203 |
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