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) (3) Gas Chromatography (GC) (1) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (58) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Spectrophotometry (SP) (1) Sample Type Blood (3) Serum or Plasma (1) Urine (2) Test Area Therapeutics (6) Test Category (-) Analgesics (4) Anesthetics (2) (-) Antianxiety (2) Antidepressants (16) Antipsychotics (3) Test Sub-Category Opiates/Opioids (4) Other (2) Your search has returned no tests.