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 (11) Fluid (2) Serum or Plasma (15) (-) Tissue (2) Urine (4) Test Area (-) Therapeutics (2) Test Category Analgesics (1) Anesthetics (1) Antidepressants (2) (-) Antiepileptics/Antiseizures (1) (-) Antihistamines (1) Antipsychotics (1) Stimulants (1) Test Sub-Category Other (2) Test Test Name 3743TI Phenytoin, Tissue 3970TI Promethazine, Tissue