Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) (-) Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category Analgesics (3) Antiarrhythmics (2) Anticholinergics (3) Antiepileptics/Antiseizures (1) Antihistamines (1) Antineoplastics (2) Herbicides (1) Muscle Relaxants (3) Pesticides/Insecticides (4) Solvents (2) Terpenes (1) (-) Vasodilators (2) Volatiles (12) Test Sub-Category Monoamine Oxidase Inhibitors (MAOI) (3) (-) Other (2) Tetracyclics (3) Tricyclic (4) Test Test Name 3300B Papaverine, Blood 3300SP Papaverine, Serum/Plasma