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) Test Sub-Category Alkaloids (6) Alkylating Agents (1) Anticoagulants (8) Antimalarials (1) Antipyretics (5) Antivirals (3) Avicides (2) Benzodiazepines (7) Beta-2 Andrenergic Agonists (4) Beta Blockers (6) Calcium Channel Blockers (2) Cannabinoids (12) Carbamates (1) Carbonic Anhydrase Inhibitors (3) CNS Stimulants (4) Designer Benzodiazepines (3) Hallucinogens (6) Hemostatics (1) Macrominerals (3) (-) NSAIDs (2) Opiates/Opioids (18) Other (52) Sympathomimetic Amines (3) Toxic Elements (50) Test Test Name 0425B Antipyrine, Blood 0425SP Antipyrine, Serum/Plasma