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/Tandem Mass Spectrometry (GC-MS/MS) (1) Sample Type Serum or Plasma (1) Test Area Exposure (1) Test Category (-) Chemicals (1) Drugs of Abuse (10) Drugs of Abuse, Therapeutics (7) Exposure (1) NPS/Designer Drugs (1) Other (1) Therapeutics (13) Test Sub-Category Other (1) Test Test Name 3371SP PCB Panel, Congeners, Serum/Plasma