Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) (-) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (19) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (3) Fluid (1) Hair (1) Nails (1) RBCs (1) (-) Serum or Plasma (2) Tissue (2) Urine (6) Test Area Exposure (1) Therapeutics (1) Test Category Antidepressants (1) Metals/Elements (1) Test Sub-Category Toxic Elements (1) Tricyclic (1) Test Test Name 3140SP Nickel, Serum/Plasma 3220SP Nortriptyline, Serum/Plasma