Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (6) Sample Type Blood (20) Fluid (11) Oral Fluid (Saliva) (2) Serum or Plasma (19) (-) Tissue (8) Urine (20) Test Area Drugs of Abuse (1) Therapeutics (7) Test Category (-) Analgesics (7) Drugs of Abuse (2) (-) Drugs of Abuse, Therapeutics (1) Hallucinogens (1) Sedative/Hypnotics (1) Stimulants (1) Therapeutics (3) Test Sub-Category Opiates/Opioids (6) Other (2) Your search has returned no tests.