Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type Blood (2) Fluid (1) (-) RBCs (1) Serum or Plasma (5) Tissue (1) (-) Urine (2) Test Area Exposure (2) Therapeutics (1) Test Category Antidepressants (2) (-) Antiepileptics/Antiseizures (1) Antihypertensives (1) (-) Metals/Elements (2) Volatiles (1) Test Sub-Category Other (1) Toxic Elements (2) Test Test Name 4757U Valproic Acid, Urine 4765R Vanadium, RBCs 4765U Vanadium, Urine