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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (10) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Sample Type (-) Blood (2) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (1) Postmortem (1) Test Category NPS/Designer Drugs (2) Test Sub-Category (-) Other (2) Your search has returned no tests.