Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (1) (-) Serum or Plasma (1) Test Area Drugs of Abuse (1) Test Category Analgesics (3) (-) Depressants (1) Psychoactives (2) Stimulants (1) Test Sub-Category Opiates/Opioids (1) Test Test Name 9343SP Heroin Screen, Serum/Plasma