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) (1) Sample Type Blood (5) (-) Fluid (1) Serum or Plasma (3) Urine (2) Test Area Postmortem (1) (-) Therapeutics (1) Test Category Antianxiety (2) (-) Antiepileptics/Antiseizures (1) Depressants (2) Sedative/Hypnotics (5) Test Sub-Category Barbiturates (1) Test Test Name 3900FL Primidone, Phenobarbital and PEMA, Fluid