Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Headspace Gas Chromatography (GC) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) (-) Fluid (1) Serum or Plasma (2) Urine (3) Test Area (-) Drugs of Abuse (1) Therapeutics (5) Test Category Stimulants (1) Test Sub-Category Other (1) Test Test Name 0329FL Amphetamines (D/L Differentiation), Fluid