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) (1) Sample Type Blood (3) Fluid (1) Serum or Plasma (4) Tissue (1) (-) Urine (2) Test Area Exposure (1) Therapeutics (1) Test Category Analgesics (4) Anticholinergics (2) Antidepressants (1) Antimigraines (1) Diagnostic Aids (1) Metals/Elements (5) NPS/Designer Drugs (3) Opiates/Opioids (1) (-) Pesticides/Insecticides (1) (-) Sedative/Hypnotics (1) Vasodilators (1) Volatiles (1) Test Sub-Category Other (2) Test Test Name 4170U Secobarbital, Urine 4215U Strychnine, Urine