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) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type 24 Hour Urine (1) Blood (2) Fluid (1) Hair (1) Liquid (1) Nails (1) RBCs (1) Serum or Plasma (2) (-) Tissue (2) Urine (2) Test Area Exposure (1) Therapeutics (1) Test Category Metals/Elements (1) Stimulants (1) Test Sub-Category (-) CNS Stimulants (1) Opiates/Opioids (1) Other (1) (-) Toxic Elements (1) Trace Elements (1) Test Test Name 2670TI Mercury, Tissue 3020TI Methylphenidate and Metabolite, Tissue