Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antimicrobials (1) Test Sub-Category Alkaloids (1) Alpha-1 Adrenergic Agonists (1) Alpha Blockers (1) Antibiotics (1) Antifungals (1) Antispasmodics (1) (-) Antivirals (1) Barbiturates (4) Benzodiazepines (4) Beta Blockers (3) Calcium Channel Blockers (1) CNS Stimulants (1) Diuretics (1) GABA Analogues (1) Insecticides (1) NSAIDs (5) Opiates/Opioids (4) Other (24) Phenothiazines (1) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Stimulants (1) Sympathomimetic Agents (1) Synthetic Cathinone (1) Test Test Name 3381SP Penciclovir, Serum/Plasma