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 (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (2) Serum or Plasma (3) Urine (1) Test Area Therapeutics (2) Test Category Acids (1) Analgesics (6) Anesthetics (3) Antidepressants (5) Antiepileptics/Antiseizures (3) (-) Antihistamines (1) Antihypertensives (3) Antimicrobials (1) Antineoplastics (1) Antiparkinsons (1) Antipsychotics (6) Antirheumatics (1) Biomarkers (2) (-) Bronchodilators (1) Cholinesterase Inhibitors (1) Depressants (1) Diuretics (1) Immunosuppressants (3) Metals/Elements (5) Muscle Relaxants (1) Other (1) Sedative/Hypnotics (3) Solvents (2) Stimulants (1) Sympathomimetic Amines (1) Terpenes (1) Vasodilators (1) Volatiles (4) Test Sub-Category Other (2) Test Test Name 4387B Theophylline, Blood 4720B Triprolidine, Blood