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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (2) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (1) Exposure (1) Test Category Alcohols (3) Analgesics (9) Anesthetics (1) Antacids (1) Antianxiety (1) Antiarrhythmics (2) Antidepressants (3) Antidiabetics (1) Antiemetics (1) Antiepileptics/Antiseizures (2) Antihypertensives (2) Antimicrobials (2) Antineoplastics (2) Antipsychotics (1) Antithyroids (1) Biomarkers (1) (-) Gases (1) Hallucinogens (5) Immunosuppressants (1) Metals/Elements (9) Muscle Relaxants (2) NMDA Antagonists (1) (-) NPS/Designer Drugs (1) Pesticides/Insecticides (2) Sedative/Hypnotics (3) Solvents (1) Stimulants (4) Volatiles (6) Test Sub-Category Alkaloids (1) Hydrocarbons (1) Test Test Name 2745B Methane, Blood 3064B Mitragynine, Blood