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) Enzyme Immunoassay (EIA) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) Sample Type Blood (2) Serum or Plasma (2) Urine (2) Test Area Drugs of Abuse (3) Therapeutics (3) 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 (3) Other (3) Your search has returned no tests.