Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Headspace Gas Chromatography (GC) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (10) (-) Fluid (1) Serum or Plasma (19) Tissue (1) Urine (7) Test Area Test Category Test Sub-Category Test Test Name 1615FL Digoxin, Fluid