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) (4) Enzyme Immunoassay (EIA) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (20) Sample Type Blood (5) Fluid (4) Serum or Plasma (5) Tissue (2) Urine (4) Test Area Drugs of Abuse (3) Therapeutics (17) Test Category Acids (2) (-) Analgesics (13) Anticholinergics (3) (-) Antihistamines (4) Antihypertensives (3) Antimicrobials (5) Antipsychotics (5) (-) Depressants (3) Hypoglycemic Agents (2) Test Sub-Category Opiates/Opioids (16) Other (4) Your search has returned no tests.