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) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (54) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (4) Spectrophotometry (SP) (1) Sample Type Blood (14) Fluid (7) Oral Fluid (Saliva) (1) Serum or Plasma (13) Tissue (6) Urine (13) Test Area Postmortem (1) Therapeutics (53) Test Category (-) Analgesics (53) Antianxiety (4) Appetite Suppressants (2) Depressants (5) Drugs of Abuse (4) (-) Exposure (1) Hallucinogens (7) Other (1) Psychoactives (2) Stimulants (8) Test Sub-Category Opiates/Opioids (53) Other (1) Your search has returned no tests.