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 (2) Serum or Plasma (1) (-) Tissue (1) (-) Urine (1) Test Area Therapeutics (2) Test Category (-) Anesthetics (1) (-) Antidepressants (1) Metals/Elements (1) NPS/Designer Drugs (1) Opiate/Opioid Antagonists (3) Solvents (3) Stimulants (3) Test Sub-Category (-) Other (2) Tricyclic (4) Test Test Name 3145U Nefazodone, Urine 3214TI Nitrous Oxide, Tissue