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 (3) (-) Fluid (1) Serum or Plasma (3) (-) Urine (1) Test Area Therapeutics (2) Test Category Anesthetics (3) Antianxiety (2) Antiepileptics/Antiseizures (3) Antihistamines (1) (-) Antihypertensives (1) Antimicrobials (1) (-) Antipsychotics (1) Hallucinogens (2) Laxatives (1) Metals/Elements (3) Mood Stabilizers (2) Stimulants (1) Test Sub-Category Beta Blockers (1) Other (1) Test Test Name 2488FL Labetalol, Fluid 2538U Loxapine, Urine