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 (-) Benzodiazepines (1) Biomarkers (3) Other (3) Test Test Name 1958U Estazolam, Urine