Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (1) (-) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (2) Test Category Analgesics (6) Anticholinergics (2) Antihistamines (2) Antihypertensives (2) Antimicrobials (2) Antipsychotics (4) (-) Depressants (2) Hypoglycemic Agents (2) Test Sub-Category Opiates/Opioids (2) Your search has returned no tests.