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) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (4) Fluid (1) Serum or Plasma (4) (-) Urine (2) Test Area Therapeutics (2) Test Category Anesthetics (2) Antianxiety (1) Antiepileptics/Antiseizures (2) Antihistamines (1) Antimicrobials (1) (-) Antipsychotics (1) Hallucinogens (2) Laxatives (1) Metals/Elements (2) Mood Stabilizers (1) (-) Stimulants (1) Test Sub-Category Amphetamines (1) Other (1) Test Test Name 2538U Loxapine, Urine 2800U Lisdexamfetamine as Metabolite, Urine