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) Sample Type (-) Blood (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Sedative/Hypnotics (1) Test Sub-Category Alpha-2 Adrenergic Agonists (1) Amphetamines (1) Antifungals (3) Antihistamines (1) Antimalarials (2) Antiparasitics (1) Antivirals (1) Benzodiazepines (2) Beta Blockers (1) Diuretics (2) GABA Analogues (1) H2 Antagonists (1) (-) Hormones (1) Macrominerals (1) Metals/Elements (1) Non-Benzodiazepines (1) NSAIDs (5) Opiates/Opioids (3) Other (42) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Sulfonylureas (1) Synthetic Cathinone (1) Toxic Elements (5) Trace Elements (1) Test Test Name 2604B Melatonin, Blood