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 (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (14) Sample Type (-) Blood (3) Serum or Plasma (2) Urine (1) Test Area Therapeutics (3) Test Category Analgesics (2) Anesthetics (1) Test Sub-Category (-) Barbiturates (1) (-) Opiates/Opioids (2) Other (2) Phenothiazines (2) Tricyclic (6) Your search has returned no tests.