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) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (1) Test Area (-) Therapeutics (1) Test Category Antiepileptics/Antiseizures (1) Test Sub-Category Alkaloids (3) Alpha/Beta Adrenergic Agonists (1) Antihistamines (1) (-) Barbiturates (1) Benzodiazepines (11) Beta Blockers (2) CNS Stimulants (1) Opiates/Opioids (11) Other (20) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) Sympathomimetic Agents (4) Test Test Name 9416B Phenobarbital Screen, Blood