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) (1) Headspace Gas Chromatography (GC) (1) Sample Type (-) Blood (2) Tissue (1) Urine (3) Test Area Exposure (2) Test Category Alcohols (2) Analgesics (6) Anesthetics (3) Antianxiety (2) Antiarrhythmics (2) Anticholinergics (4) Antidepressants (5) Antiepileptics/Antiseizures (2) Antihistamines (3) Antineoplastics (1) Antipsychotics (1) Antithrombotics (3) Antitussives/Cough Suppressants (2) Benzodiazepines (2) Biomarkers (3) Depressants (6) Diuretics (2) Electrolytes (1) Metals/Elements (10) Muscle Relaxants (3) NPS/Designer Drugs (4) Plasticizers (1) Sedative/Hypnotics (11) Stimulants (2) (-) Volatiles (2) Test Sub-Category Other (2) Test Test Name 0541B Benzene, Blood 0835B Butane and Isobutane, Blood