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) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (5) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (2) Serum or Plasma (2) Urine (4) Test Area Exposure (1) Therapeutics (1) Test Category Alcohols (1) Antidepressants (1) Antihistamines (2) Antimicrobials (1) Antipsychotics (1) Pesticides/Insecticides (2) (-) Sedative/Hypnotics (1) Terpenes (1) (-) Volatiles (1) Test Sub-Category Barbiturates (1) Other (1) Test Test Name 0500B Barbital, Blood 0835B Butane and Isobutane, Blood