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 (4) (-) Fluid (1) Serum or Plasma (5) Urine (3) Test Area Therapeutics (1) Test Category Analgesics (4) Antianxiety (1) Antidepressants (1) Antidiabetics (1) Antiepileptics/Antiseizures (1) Antihistamines (1) (-) Antihypertensives (1) Antimicrobials (1) Emetics (1) Muscle Relaxants (2) Sedative/Hypnotics (2) Stimulants (1) Test Sub-Category Beta Blockers (1) Test Test Name 2488FL Labetalol, Fluid