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) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (4) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (3) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category Antimicrobials (2) Test Sub-Category Alkaloids (3) (-) Antibiotics (2) Antihistamines (3) Antimalarials (2) Benzodiazepines (4) Beta Blockers (4) CNS Stimulants (5) Diuretics (2) Hormones (3) Opiates/Opioids (19) Other (36) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Test Test Name 3050B Metronidazole, Blood 3050SP Metronidazole, Serum/Plasma