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) (13) Sample Type Blood (4) Fluid (3) Serum or Plasma (4) Tissue (2) Urine (2) Test Area Drugs of Abuse (9) (-) Therapeutics (15) Test Category (-) Analgesics (15) Anticholinergics (3) Antihistamines (4) Antihypertensives (4) Antimicrobials (5) Antipsychotics (5) Hypoglycemic Agents (2) Test Sub-Category Opiates/Opioids (15) Your search has returned no tests.