Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography (GC) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area Exposure (2) Test Category Depressants (2) Test Sub-Category Barbiturates (5) Opiates/Opioids (2) Organochlorides (2) Other (17) Phenothiazines (5) (-) Sedative-Hypnotics (2) Tricyclic (3) Your search has returned no tests.