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) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category Acids (2) Antidepressants (2) Antiepileptics/Antiseizures (5) Antihistamines (1) Antineoplastics (1) Antipsychotics (5) Antirheumatics (1) (-) Biomarkers (2) Bronchodilators (2) Cholinesterase Inhibitors (1) Diuretics (1) Immunosuppressants (3) Metals/Elements (1) Muscle Relaxants (1) Other (1) Solvents (4) Terpenes (2) Vasodilators (1) Volatiles (3) Test Sub-Category Cyanide (2) (-) Other (2) Test Test Name 4472B Thiosulfate, Blood 4472U Thiosulfate, Urine