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 Alkaloids (1) Antibiotics (1) Antihistamines (2) Antimalarials (1) Barbiturates (1) Benzodiazepines (2) Beta Blockers (2) CNS Stimulants (1) Diuretics (1) Dopamine Antagonists (1) (-) Hormones (1) Macrominerals (2) Opiates/Opioids (11) Other (44) Phenothiazines (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tetracyclics (2) Toxic Elements (3) Trace Elements (3) Test Test Name 2604SP Melatonin, Serum/Plasma