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 Serum or Plasma (2) Test Area Therapeutics (2) Test Category (-) Antimicrobials (1) (-) Depressants (1) Test Sub-Category (-) Antibiotics (1) (-) Opiates/Opioids (1) Test Test Name 1959SP Ethambutol, Serum/Plasma 2064SP Ethylmorphine, Serum/Plasma