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) (10) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) Sample Type Blood (3) Serum or Plasma (3) Urine (3) Test Area (-) Therapeutics (9) Test Category (-) Analgesics (9) Anesthetics (4) Anticholinergics (3) Antidepressants (7) Antiepileptics/Antiseizures (6) Antihistamines (1) Antimicrobials (2) Cholinesterase Inhibitors (3) Vasodilators (3) Test Sub-Category Opiates/Opioids (6) Other (3) Your search has returned no tests.