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) (1) Sample Type Blood (86) Fluid (13) Hair (1) (-) Meconium (1) Oral Fluid (Saliva) (1) (-) RBCs (1) Serum or Plasma (71) Stool (1) Tissue (11) Urine (45) Test Area Exposure (1) Newborn Tox (1) Test Category Hallucinogens (1) Metals/Elements (1) Test Sub-Category Macrominerals (1) Other (1) Test Test Name 3784R Potassium - Total, RBCs 8761ME Phencyclidine (Qualitative), Meconium