Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (3) (-) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (1) Test Area (-) Therapeutics (1) Test Category Analgesics (1) Test Sub-Category Antiarrhythmics (1) (-) Opiates/Opioids (1) Other (5) Phenothiazines (1) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Succinimide (1) Tricyclic (4) Test Test Name 9441U Pentazocine Screen, Urine