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) (1) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area (-) Exposure (1) Test Category Acids (1) (-) Biomarkers (1) Metals/Elements (1) Solvents (2) Terpenes (1) Volatiles (1) Test Sub-Category Cyanide (1) (-) Other (1) Test Test Name 4472U Thiosulfate, Urine