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) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (3) Antidepressants (2) Antiepileptics/Antiseizures (1) (-) Antimicrobials (1) Bronchodilators (1) Sedative/Hypnotics (1) Stimulants (1) Sympathomimetic Amines (1) Test Sub-Category Antibiotics (1) Test Test Name 4704U Trimethoprim, Urine