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 Alcohols (10) BAC (3) Barbiturates (24) Benzodiazepines (22) Drug Facilitated Sexual Assault (2) (-) Hormones (2) Non-Benzodiazepines (4) Other (75) Test Test Name 2604B Melatonin, Blood 2604SP Melatonin, Serum/Plasma