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) Sample Type (-) Blood (1) Serum or Plasma (1) Urine (3) Test Area Exposure (1) Therapeutics (1) Test Category Acids (2) Alcohols (10) Analgesics (62) Anesthetics (14) Antacids (4) Antianxiety (12) Antiarrhythmics (12) Anticholinergics (9) Anticoagulants (1) Antidepressants (45) Antidiabetics (6) Antidiarrheals (1) Antiemetics (2) Antiepileptics/Antiseizures (31) Antigout Agents (1) Antihistamines (17) Antihypertensives (23) Antileprosy Agents (1) Antimicrobials (16) Antimigraines (1) Antineoplastics (3) Antiparkinsons (2) Antipsychotics (28) Antirheumatics (1) Antispasmodics (1) Antithrombotics (3) Antithyroids (1) Antitussives/Cough Suppressants (3) Appetite Suppressants (2) Benzodiazepines (2) Biomarkers (6) Bronchodilators (2) Cholinesterase Inhibitors (4) Decongestants (3) Depressants (12) Diagnostic Aids (2) Diuretics (6) Drugs of Abuse (17) Drugs of Abuse, Therapeutics (8) Emetics (1) Expectorants (1) Exposure (1) Gases (6) Hallucinogens (11) Herbicides (2) Hypoglycemic Agents (1) Immunosuppressants (10) (-) Industrial/Environmental Toxins (1) Metals/Elements (49) Mood Stabilizers (1) Muscle Relaxants (10) NMDA Antagonists (1) NPS/Designer Drugs (20) Opiate/Opioid Antagonists (2) Opiates/Opioids (1) Other (6) Perfluorinated Compounds (1) Pesticides/Insecticides (14) Psychoactives (7) Sedative/Hypnotics (34) Solvents (19) Stimulants (20) Sympathomimetic Amines (1) Terpenes (2) Therapeutics (6) Vasodilators (7) Volatiles (39) Test Sub-Category Other (1) Test Test Name 3174B Nitrate/Nitrite (Qualitative), Blood (Forensic)