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 Blood (3) Fluid (1) Hair (1) RBCs (1) Serum or Plasma (3) Stool (1) (-) Urine (2) Test Area Drugs of Abuse (1) Exposure (1) Test Category Metals/Elements (1) NPS/Designer Drugs (1) Test Sub-Category (-) Alkaloids (1) Barbiturates (1) Benzodiazepines (1) Beta Blockers (1) CNS Stimulants (2) Dopamine Antagonists (1) Hormones (1) (-) Macrominerals (1) Opiates/Opioids (8) Other (31) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tetracyclics (2) Trace Elements (2) Test Test Name 2551U Magnesium - Total, Urine 3078U Mitragynine (Qualitative), Urine