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 (2) Fluid (2) (-) Serum or Plasma (2) Urine (1) Test Area Therapeutics (2) Test Category Anesthetics (3) (-) Antianxiety (1) Antidiarrheals (1) Antiepileptics/Antiseizures (3) Antihistamines (2) (-) Antihypertensives (1) Antimicrobials (1) Antipsychotics (2) Dopamine Precursor (1) Hallucinogens (2) Immunosuppressants (2) Metals/Elements (2) Mood Stabilizers (1) Pesticides/Insecticides (1) Stimulants (1) Test Sub-Category Benzodiazepines (1) Beta Blockers (1) Test Test Name 2488SP Labetalol, Serum/Plasma 2535SP Lorazepam, Serum/Plasma