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) (1) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (12) Sample Type Blood (1) Serum or Plasma (1) Test Area Drugs of Abuse (2) Test Category Analgesics (6) Depressants (2) Psychoactives (3) (-) Stimulants (2) Test Sub-Category Other (2) Your search has returned no tests.