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 (2) Fluid (1) Hair (1) RBCs (1) (-) Serum or Plasma (2) Stool (1) Urine (1) Test Area Exposure (1) Therapeutics (1) Test Category Antihypertensives (1) Metals/Elements (1) Test Sub-Category Alkaloids (1) Antibiotics (1) Antihistamines (2) Antimalarials (1) Barbiturates (1) Benzodiazepines (1) Beta Blockers (1) CNS Stimulants (1) (-) Diuretics (1) Dopamine Antagonists (1) Hormones (1) (-) Macrominerals (1) Opiates/Opioids (9) Other (38) Phenothiazines (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tetracyclics (2) Toxic Elements (1) Trace Elements (2) Test Test Name 2551SP Magnesium - Total, Serum/Plasma 3042SP Metolazone, Serum/Plasma