Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (11) (-) Fluid (3) Hair (1) Serum or Plasma (7) Tissue (1) Urine (8) Test Area Postmortem (1) Therapeutics (2) Test Category (-) Analgesics (2) Depressants (2) (-) Diagnostic Aids (1) Muscle Relaxants (1) Psychoactives (1) Sedative/Hypnotics (1) Test Sub-Category Opiates/Opioids (2) Other (1) Your search has returned no tests.