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) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) (-) Serum or Plasma (2) Urine (1) Test Area Exposure (1) Therapeutics (1) Test Category Acids (1) Antidepressants (1) Antiepileptics/Antiseizures (3) Antihistamines (1) Antineoplastics (1) Antipsychotics (3) (-) Antirheumatics (1) (-) Biomarkers (1) Bronchodilators (1) Cholinesterase Inhibitors (1) Diuretics (1) Immunosuppressants (2) Muscle Relaxants (1) Solvents (1) Terpenes (1) Vasodilators (1) Volatiles (1) Test Sub-Category Cyanide (1) (-) Other (2) Test Test Name 4472SP Thiosulfate, Serum/Plasma 4489SP Tofacitinib, Serum/Plasma