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 (11) Fluid (1) Serum or Plasma (7) (-) Tissue (1) Urine (10) Test Area Therapeutics (1) Test Category Analgesics (1) Metals/Elements (3) (-) Stimulants (1) Test Sub-Category CNS Stimulants (1) Test Test Name 3020TI Methylphenidate and Metabolite, Tissue