Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (9) Fluid (3) Serum or Plasma (8) (-) Tissue (2) Urine (5) Test Area Therapeutics (2) Test Category Analgesics (1) Stimulants (1) Test Sub-Category (-) CNS Stimulants (1) (-) Opiates/Opioids (1) Other (7) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Toxic Elements (1) Tricyclic (1) Test Test Name 3020TI Methylphenidate and Metabolite, Tissue 3236TI Opiates Screen, Tissue