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) Enzymatic Assay (EZA) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography (GC) (12) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (28) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (3) (-) Serum or Plasma (2) Tissue (1) Urine (3) Test Area Therapeutics (2) Test Category Antihistamines (1) Sedative/Hypnotics (1) Test Sub-Category (-) Barbiturates (1) Opiates/Opioids (1) (-) Other (1) Test Test Name 3410SP Pentobarbital, Serum/Plasma 3740SP Phenyltoloxamine, Serum/Plasma