Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography (GC) (1) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (13) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Spectrophotometry (SP) (1) Sample Type (-) Blood (2) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (2) (-) Exposure (1) Impairment (1) Postmortem (3) (-) Therapeutics (1) Test Category Other (1) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Other (1) Test Test Name 8103B Environmental Exposure Screen, Blood 8633B Phenobarbital, Blood