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) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Gas Chromatography (GC) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (3) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (20) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) (-) Immunoassay (IA) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (11) Sample Type Serum or Plasma (1) Urine (1) Test Area Test Category Test Sub-Category Test Test Name 2492U Lead, Urine 2511SP Lidocaine, Serum/Plasma