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) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Spectrophotometry (SP) (2) Sample Type Serum or Plasma (1) Test Area (-) Exposure (1) Test Category (-) Biomarkers (1) Test Sub-Category Other (1) Test Test Name 4239SP Sulfide Exposure Biouptake Marker, Serum/Plasma