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) Sample Type (-) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Antimicrobials (1) Test Sub-Category Alkaloids (2) Alpha-1 Adrenergic Agonists (1) Alpha Blockers (2) Antibiotics (2) Antifungals (2) Antispasmodics (2) (-) Antivirals (1) Barbiturates (6) Benzodiazepines (8) Beta Blockers (6) Biomarkers (1) Calcium Channel Blockers (2) CNS Stimulants (2) Diuretics (2) GABA Analogues (2) Insecticides (1) NSAIDs (9) Opiates/Opioids (9) Other (45) Phenothiazines (2) Selective Serotonin Reuptake Inhibitors (SSRI) (2) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) Stimulants (2) Sympathomimetic Agents (2) Synthetic Cathinone (2) Test Test Name 3381SP Penciclovir, Serum/Plasma