Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (3) (-) Gas Chromatography (GC) (1) (-) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (25) Fat (1) Fluid (5) Serum or Plasma (20) (-) Tissue (3) Urine (15) Test Area Drugs of Abuse (2) Therapeutics (1) Test Category Antihistamines (1) Drugs of Abuse (1) Drugs of Abuse, Therapeutics (1) Test Sub-Category Other (3) Your search has returned no tests.