Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (3) (-) Fluid (1) Plasma (1) Serum or Plasma (3) Urine (2) Test Area Test Category Test Sub-Category Test Test Name 8620FL Barbiturates Panel, Fluid