Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (15) Enzymatic Assay (EZA) (1) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Gas Chromatography (GC) (43) Gas Chromatography/Mass Spectrometry (GC/MS) (17) Headspace Gas Chromatography (GC) (30) Hematofluorometry (H) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (31) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (81) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (4) Ion Specific Electrode (ISE) (2) Spectrophotometry (SP) (1) Sample Type Serum or Plasma (1) Urine (1) Test Area (-) Drugs of Abuse (2) Test Category Hallucinogens (2) Test Sub-Category Other (2) Test Test Name 2541SP LSD Screen, Serum/Plasma 2541U LSD Screen, Urine