Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (1) (-) Serum or Plasma (1) Urine (2) Test Area Therapeutics (1) Test Category Acids (1) Alcohols (4) Analgesics (10) Anesthetics (3) Antianxiety (2) Antiarrhythmics (1) (-) Anticholinergics (1) Antidepressants (4) Antidiabetics (4) Antidiarrheals (1) Antiemetics (1) Antiepileptics/Antiseizures (11) Antihistamines (4) Antihypertensives (6) Antimicrobials (11) Antipsychotics (6) Antithyroids (1) Antitussives/Cough Suppressants (2) Biomarkers (1) Carbonic Anhydrase Inhibitors (1) Cholinesterase Inhibitors (1) Depressants (2) Diuretics (1) Dopamine Precursor (1) Emetics (1) Expectorants (1) Hallucinogens (6) Herbicides (1) Immunosuppressants (2) Metals/Elements (15) Mood Stabilizers (1) Muscle Relaxants (3) NMDA Antagonists (1) NPS/Designer Drugs (1) Pesticides/Insecticides (3) Retinoids (2) Sedative/Hypnotics (6) Solvents (5) Stimulants (2) Volatiles (3) Test Sub-Category Other (1) Test Test Name 2369SP Hyoscyamine, Serum/Plasma