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 (1) (-) Fluid (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category Anesthetics (3) Antianxiety (2) Antidiarrheals (1) Antiepileptics/Antiseizures (4) Antihistamines (2) (-) Antihypertensives (2) Antimicrobials (1) Antipsychotics (2) Hallucinogens (2) Immunosuppressants (2) Metals/Elements (4) Mood Stabilizers (2) Pesticides/Insecticides (1) Stimulants (1) Test Sub-Category Beta Blockers (2) Test Test Name 2488B Labetalol, Blood 2488FL Labetalol, Fluid