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) (3) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Spectrophotometry (SP) (2) Sample Type Urine (3) Test Area Exposure (3) Test Category (-) Biomarkers (1) (-) Metals/Elements (2) Other (1) Solvents (1) Volatiles (2) Test Sub-Category Cyanide (1) (-) Other (3) Toxic Elements (1) Trace Elements (1) Test Test Name 4180U Selenium, Urine 4370U Thallium, Urine 4472U Thiosulfate, Urine