Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Drugs of Abuse (1) Test Category Analgesics (7) (-) Depressants (1) NPS/Designer Drugs (1) Test Sub-Category Benzodiazepines (2) (-) Opiates/Opioids (1) Other (1) Test Test Name 9343U Heroin Screen, Urine