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) (3) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (8) (-) Fluid (4) Oral Fluid (Saliva) (1) Serum or Plasma (4) Tissue (3) Urine (4) Test Area Drugs of Abuse (1) Postmortem (3) Test Category Analgesics (8) Antianxiety (1) (-) Depressants (1) Drugs of Abuse (1) Drugs of Abuse, Therapeutics (2) Hallucinogens (1) Sedative/Hypnotics (1) Stimulants (1) (-) Therapeutics (3) Test Sub-Category Opiates/Opioids (1) Other (3) Your search has returned no tests.