Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Detection of LSD and its prevalent metabolite, 2-oxo-3-hydroxy-LSD in urine following either oral or topical application.
Negative. Threshold cutoff levels: LSD <5 ng/mL, 2-oxo-3-hydroxy-LSD <5 ng/mL.
2 - 8 days
Collect random urine specimen. Refrigerate.
Test sent to Mayo Medical Laboratories.