Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (1) Anesthetics (1) Antianxiety (1) Antidepressants (6) Antiepileptics/Antiseizures (2) Antipsychotics (3) (-) Sedative/Hypnotics (1) Test Sub-Category Other (1) Test Test Name 9401U Chloral Hydrate Screen, Urine