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/Mass Spectrometry (GC/MS) (1) Sample Type (-) Blood (1) Test Area Exposure (1) Test Category Alcohols (2) Analgesics (10) Antianxiety (2) Antidepressants (2) Antidiabetics (2) Antiemetics (3) Antiepileptics/Antiseizures (2) Antihypertensives (4) Antimicrobials (4) Antineoplastics (1) Antipsychotics (2) Carbonic Anhydrase Inhibitors (1) (-) Gases (1) Hallucinogens (4) Immunosuppressants (3) Muscle Relaxants (4) NMDA Antagonists (2) NPS/Designer Drugs (2) Sedative/Hypnotics (6) Stimulants (6) Volatiles (2) Test Sub-Category Hydrocarbons (1) Test Test Name 2745B Methane, Blood