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) (8) Enzyme-Linked Immunosorbent Assay (ELISA) (42) Enzyme Immunoassay (EIA) (11) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (27) Gas Chromatography/Mass Spectrometry (GC/MS) (23) Headspace Gas Chromatography (GC) (33) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (83) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (12) Spectrophotometry (SP) (1) Sample Type Blood (13) Serum or Plasma (8) Urine (6) Test Area (-) Therapeutics (27) Test Category Analgesics (4) Anesthetics (2) Antianxiety (2) Antidepressants (16) Antipsychotics (3) Test Sub-Category Barbiturates (2) Opiates/Opioids (4) Other (5) Phenothiazines (3) Tricyclic (13) Your search has returned no tests.