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 Antibiotics (2) Antifungals (2) (-) Antivirals (1) NSAIDs (13) Opiates/Opioids (23) Other (9) Test Test Name 3381SP Penciclovir, Serum/Plasma