Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) (-) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type Blood (1) Hair (1) Nails (1) RBCs (1) (-) Serum or Plasma (1) Urine (1) Test Area Test Category Test Sub-Category Test Test Name 3140SP Nickel, Serum/Plasma