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 (2) Serum or Plasma (4) (-) Urine (2) Test Area Exposure (2) Test Category Analgesics (3) Anesthetics (1) Antianxiety (1) Anticholinergics (3) Antidepressants (2) Antiepileptics/Antiseizures (1) Antihistamines (1) Antihypertensives (1) Antimicrobials (2) Antipsychotics (1) Benzodiazepines (1) Biomarkers (2) Diuretics (1) Metals/Elements (5) NPS/Designer Drugs (6) (-) Pesticides/Insecticides (2) Potassium Channel Blockers (1) Psychoactives (1) Sedative/Hypnotics (1) Stimulants (3) Volatiles (5) Test Sub-Category Avicides (1) Herbicides (1) Test Test Name 0276U 4-Aminopyridine Exposure, Urine 0485U Atrazine, Urine