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) (1) Enzyme Immunoassay (EIA) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (4) Fluid (1) Serum or Plasma (1) (-) Urine (1) Test Area Drugs of Abuse (1) Test Category Analgesics (1) (-) Drugs of Abuse (1) Drugs of Abuse, Therapeutics (2) Therapeutics (2) Test Sub-Category Other (1) Test Test Name 1876U Drug Screen - Expanded, Urine