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) (2) Sample Type (-) Blood (3) Fluid (1) Serum or Plasma (2) Urine (1) Test Area Exposure (1) Therapeutics (2) 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 (15) (-) 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 Hydrocarbons (1) Other (2) Test Test Name 2720B Metaxalone, Blood 2745B Methane, Blood 2900B Methocarbamol, Blood