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) (10) Gas Chromatography (GC) (8) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (25) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (12) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (2) Hair (1) Nails (1) Serum or Plasma (6) (-) Urine (3) Test Area Test Category Test Sub-Category Test Test Name 4190U Silicon, Urine 4440U Thiocyanate, Urine 4472U Thiosulfate, Urine