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) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (1) Serum or Plasma (1) Test Area Drugs of Abuse (1) Test Category Analgesics (5) Anesthetics (3) Antianxiety (1) Antiarrhythmics (2) Antidepressants (7) Antiepileptics/Antiseizures (2) Antihistamines (2) Antipsychotics (4) (-) Depressants (1) Muscle Relaxants (1) Psychoactives (1) Sedative/Hypnotics (1) Stimulants (1) Vasodilators (1) Test Sub-Category Opiates/Opioids (1) Test Test Name 9343B Heroin Screen, Blood