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) (32) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (5) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (111) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (5) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (24) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) Spectrophotometry (SP) (1) Sample Type (-) Blood (2) Serum or Plasma (1) (-) Urine (1) Test Area Drugs of Abuse (1) Therapeutics (2) Test Category Analgesics (1) Sedative/Hypnotics (2) Test Sub-Category Opiates/Opioids (1) Other (2) Test Test Name 4170B Secobarbital, Blood 4170U Secobarbital, Urine 4376B Thebaine, Blood