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) (8) Sample Type Blood (2) Serum or Plasma (2) Tissue (1) Urine (3) Test Area Drugs of Abuse (3) Therapeutics (5) Test Category (-) NPS/Designer Drugs (3) (-) Stimulants (5) Test Sub-Category (-) Alkaloids (3) (-) CNS Stimulants (5) Other (9) Your search has returned no tests.