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 (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category Sedative/Hypnotics (2) Test Sub-Category Alpha-2 Adrenergic Agonists (2) Amphetamines (2) Antibiotics (1) Antifungals (9) Antihistamines (2) Antimalarials (4) Antiparasitics (2) Antivirals (2) Benzodiazepines (4) Beta Blockers (2) Diuretics (5) GABA Analogues (2) H2 Antagonists (1) (-) Hormones (2) Non-Benzodiazepines (2) NSAIDs (12) Opiates/Opioids (6) Other (72) Selective Serotonin Reuptake Inhibitors (SSRI) (2) Sulfonylureas (4) Synthetic Cathinone (2) Test Test Name 2604B Melatonin, Blood 2604SP Melatonin, Serum/Plasma