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) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (7) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Spectrophotometry (SP) (1) Sample Type 24 Hour Urine (1) Blood (114) Fluid (14) (-) Hair (4) Liquid (3) (-) Meconium (1) Nails (3) (-) RBCs (5) Serum or Plasma (122) Tissue (12) Urine (71) Test Area Exposure (9) Newborn Tox (1) Test Category Analgesics (1) Biomarkers (1) Metals/Elements (8) Test Sub-Category Opiates/Opioids (1) Other (1) Toxic Elements (4) Trace Elements (4) Your search has returned no tests.