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/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (53) Fluid (2) Hair (4) Meconium (2) Nails (1) RBCs (3) Serum or Plasma (67) Stool (2) This is a test (entered 11/17/2023) (1) (-) Tissue (2) Urine (39) Urine Testing an override in the Purpose 4-15-24 (1) Test Area Test Category Test Sub-Category Test Test Name 1006TI Carbon Monoxide - Iron Ratio Profile, Tissue 1615TI Digoxin, Tissue