Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (8) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) (-) Immunoassay (IA) (1) Sample Type Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category (-) Anesthetics (1) Antianxiety (4) Antidiarrheals (2) Antiepileptics/Antiseizures (9) Antihistamines (5) Antihypertensives (3) Antimicrobials (3) Antipsychotics (2) Hallucinogens (4) Immunosuppressants (4) (-) Laxatives (1) Stimulants (3) Test Sub-Category Antiarrhythmics (1) Other (1) Test Test Name 2499U Laxatives Panel (Qualitative), Urine 2511SP Lidocaine, Serum/Plasma