Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (3) Serum or Plasma (3) (-) Tissue (2) Urine (3) Test Area Therapeutics (2) Test Category Antidepressants (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 3220TI Nortriptyline, Tissue