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) (9) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) Sample Type Blood (1) Fluid (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (4) Test Category (-) Analgesics (4) Antihistamines (2) Drugs of Abuse (3) Hallucinogens (1) Pesticides/Insecticides (1) Plasticizers (1) Sedative/Hypnotics (6) Therapeutics (12) Volatiles (2) Test Sub-Category Opiates/Opioids (4) Your search has returned no tests.