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) (2) Sample Type Blood (2) Fluid (1) (-) Serum or Plasma (2) Urine (2) Test Area Therapeutics (2) Test Category Antihypertensives (1) Sedative/Hypnotics (1) Test Sub-Category Alkaloids (1) Antibiotics (1) Antihistamines (2) Antimalarials (1) Barbiturates (1) Benzodiazepines (1) (-) Beta Blockers (1) CNS Stimulants (2) Diuretics (1) Dopamine Antagonists (1) (-) Hormones (1) Macrominerals (1) Opiates/Opioids (10) Other (39) Phenothiazines (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tetracyclics (2) Toxic Elements (2) Trace Elements (3) Test Test Name 2604SP Melatonin, Serum/Plasma 3043SP Metoprolol, Serum/Plasma