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) (7) Gas Chromatography (GC) (8) Gas Chromatography/Mass Spectrometry (GC/MS) (9) Headspace Gas Chromatography (GC) (13) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (31) Refractometer (REF) (2) (-) Spectrophotometry (SP) (1) Sample Type Blood (1) Test Area (-) Exposure (1) Therapeutics (3) Test Category Biomarkers (1) Test Sub-Category (-) Other (1) Test Test Name 2887B Methemoglobin, Blood