Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (19) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Headspace Gas Chromatography (GC) (10) Hematofluorometry (H) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (44) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (13) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Ion Specific Electrode (ISE) (1) (-) Spectrophotometry (SP) (1) Sample Type (-) Blood (1) Urine (11) Test Area Test Category Test Sub-Category Test Test Name 2887B Methemoglobin, Blood