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) (2) Spectrophotometry (SP) (1) Sample Type (-) Blood (2) Serum or Plasma (3) Urine (2) Test Area Exposure (2) Test Category Antithrombotics (1) (-) Biomarkers (2) Test Sub-Category Cyanide (1) Other (1) Test Test Name 4440B Thiocyanate, Blood 4472B Thiosulfate, Blood