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) (1) Spectrophotometry (SP) (2) Sample Type Serum or Plasma (1) Test Area Exposure (1) Test Category Antiparkinsons (1) (-) Biomarkers (1) Metals/Elements (17) Test Sub-Category Other (1) Test Test Name 4239SP Sulfide Exposure Biouptake Marker, Serum/Plasma