Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) 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