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) (4) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Enzyme Immunoassay (EIA) (5) Gas Chromatography (GC) (15) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (32) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (7) Sample Type Blood (5) Fluid (3) Meconium (1) Serum or Plasma (3) Tissue (2) (-) Urine (1) Test Area Drugs of Abuse (1) Test Category Drugs of Abuse (1) Test Sub-Category Other (1) Test Test Name 1876U Drug Screen - Expanded, Urine