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) Sample Type (-) Blood (1) Fluid (1) Serum or Plasma (1) Test Area Therapeutics (1) Test Category Anesthetics (4) Antianxiety (2) Antidiarrheals (1) Antiepileptics/Antiseizures (5) Antihistamines (3) (-) Antihypertensives (1) Antimicrobials (2) Antipsychotics (3) Hallucinogens (4) Immunosuppressants (2) Laxatives (1) Metals/Elements (5) Mood Stabilizers (2) Pesticides/Insecticides (1) Stimulants (2) Test Sub-Category Beta Blockers (1) Test Test Name 2488B Labetalol, Blood