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) (17) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (4) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Spectrophotometry (SP) (1) Sample Type Blood (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Sedative/Hypnotics (1) Test Sub-Category Other (1) Test Test Name 4170SP Secobarbital, Serum/Plasma