Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) (-) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (1) (-) Serum or Plasma (2) Urine (2) Test Area Therapeutics (2) Test Category Sedative/Hypnotics (2) Test Sub-Category Antivirals (1) Aromatics (1) (-) Barbiturates (2) Herbicides (1) Other (3) Phenothiazines (1) Small Molecule (1) Tricyclic (1) Test Test Name 0450SP Aprobarbital, Serum/Plasma 0500SP Barbital, Serum/Plasma