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) Immunoassay (IA) (1) Sample Type Blood (1) (-) Fluid (1) (-) Serum or Plasma (1) Tissue (1) Test Area Therapeutics (2) Test Category Antiarrhythmics (2) Test Sub-Category Alpha Blockers (1) Anticoagulants (3) Benzodiazepines (2) Calcium Channel Blockers (1) Cannabinoids (1) (-) Cardiac Glycosides (2) Designer Benzodiazepines (1) Herbicides (1) NSAIDs (1) Opiates/Opioids (2) Other (12) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) Thiazides (1) Test Test Name 1615FL Digoxin, Fluid 1615SP Digoxin, Serum/Plasma