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 (3) Fluid (1) Serum or Plasma (4) (-) Tissue (1) Urine (3) Test Area Therapeutics (1) Test Category Stimulants (1) Test Sub-Category (-) CNS Stimulants (1) Opiates/Opioids (1) Other (1) Toxic Elements (1) Trace Elements (1) Test Test Name 3020TI Methylphenidate and Metabolite, Tissue