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) (10) Gas Chromatography (GC) (33) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (120) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (7) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (26) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) Spectrophotometry (SP) (1) Sample Type Blood (3) (-) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Sedative/Hypnotics (2) Test Sub-Category Other (2) Test Test Name 4170SP Secobarbital, Serum/Plasma 4170U Secobarbital, Urine