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) (2) 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 (40) Test Area Test Category Test Sub-Category Test Test Name 1300FL Cocaine and Metabolites, Fluid 1615FL Digoxin, Fluid