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 Gases (1) Test Sub-Category Alpha-2 Adrenergic Agonists (3) Amphetamines (3) Antiarrhythmics (6) Antibiotics (1) Antifungals (9) Antihistamines (2) Antimalarials (7) Antiparasitics (3) Antivirals (3) Barbiturates (3) Benzodiazepines (7) Beta Blockers (3) Carboxylic Acids (5) Diuretics (7) GABA Analogues (3) H2 Antagonists (1) Hormones (3) (-) Hydrocarbons (1) Insecticides (3) Macrominerals (7) Metals/Elements (6) Non-Benzodiazepines (5) NSAIDs (16) Opiates/Opioids (12) Organic (4) Organochlorides (1) Other (209) Parkinsons (1) Phenothiazines (1) Selective Serotonin Reuptake Inhibitors (SSRI) (9) Sulfonylureas (4) Tetracyclics (3) Toxic Elements (29) Trace Elements (16) Tricyclic (3) Vasodilators (1) Test Test Name 2745B Methane, Blood