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) Gas Chromatography (GC) (8) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (4) Sample Type Blood (1) Test Area Exposure (1) Test Category Analgesics (5) Antacids (3) Antianxiety (6) Antiarrhythmics (6) Anticholinergics (3) Antidepressants (12) Antidiabetics (1) Antiemetics (2) Antiepileptics/Antiseizures (5) Antigout Agents (3) Antihistamines (14) Antihypertensives (10) Antimicrobials (5) Antipsychotics (5) Benzodiazepines (3) Cholinesterase Inhibitors (3) Depressants (2) Diuretics (5) Drugs of Abuse (1) Gases (3) Immunosuppressants (1) Industrial/Environmental Toxins (2) Muscle Relaxants (11) NPS/Designer Drugs (12) Other (1) Pesticides/Insecticides (2) Psychoactives (1) Sedative/Hypnotics (13) Stimulants (12) Vasodilators (2) (-) Volatiles (1) Test Sub-Category Other (1) Test Test Name 1611B Tetrafluoroethane and Difluoroethane Panel, Blood