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) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (3) Serum or Plasma (3) Urine (1) Test Area Exposure (2) Therapeutics (1) Test Category Analgesics (4) (-) Anticholinergics (1) Antihistamines (1) Antihypertensives (1) Antimicrobials (1) Antipsychotics (2) Depressants (2) Hallucinogens (1) Herbicides (1) Hypoglycemic Agents (1) (-) Solvents (2) Volatiles (3) Test Sub-Category Organic (2) Other (1) Test Test Name 2270B Heptane, n-, Blood 2290B Hexane, n-, Blood 2369B Hyoscyamine, Blood