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 (4) (-) Serum or Plasma (2) Tissue (1) Urine (4) Test Area Therapeutics (2) Test Category Analgesics (5) Antianxiety (1) (-) Antidepressants (2) Antidiabetics (1) Antihypertensives (2) Industrial/Environmental Toxins (1) Metals/Elements (3) NPS/Designer Drugs (3) Opiate/Opioid Antagonists (2) Other (1) Sedative/Hypnotics (2) Stimulants (3) Therapeutics (1) Vasodilators (1) Test Sub-Category Other (1) Tricyclic (1) Test Test Name 3145SP Nefazodone, Serum/Plasma 3220SP Nortriptyline, Serum/Plasma