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 (-) Benzodiazepines (2) Other (5) Test Test Name 1958B Estazolam, Blood 1958U Estazolam, Urine