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 Alpha-1 Adrenergic Agonists (1) Alpha Blockers (2) Antibiotics (1) Antifungals (2) Antiparasitics (2) (-) Antivirals (1) Barbiturates (8) Beta Blockers (7) Biomarkers (2) GABA Analogues (3) Monoamine Oxidase Inhibitors (MAOI) (3) Non-Barbiturate Sedative Hypnotics (4) NSAIDs (3) Opiates/Opioids (8) Organochlorides (3) Other (74) Phenothiazines (2) Selective Serotonin Reuptake Inhibitors (SSRI) (5) Stimulants (2) Succinimide (5) Sympathomimetic Agents (10) Tricyclic (4) Test Test Name 3381SP Penciclovir, Serum/Plasma