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) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Bronchodilators (4) Test Sub-Category Antipyretics (5) (-) NSAIDs (2) Opiates/Opioids (3) Test Test Name 0425B Antipyrine, Blood 0425SP Antipyrine, Serum/Plasma