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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (7) Fluid (3) Serum or Plasma (7) Tissue (2) (-) Urine (5) Test Area Drugs of Abuse (2) Therapeutics (3) Test Category Analgesics (2) Antihypertensives (1) Depressants (2) Test Sub-Category Antimalarials (1) Carboxylic Acids (2) (-) Diuretics (1) (-) Opiates/Opioids (4) Other (6) Test Test Name 2276U Heroin Metabolites - Free (Unconjugated), Urine 2330U Hydrochlorothiazide, Urine 8663U Hydrocodone and Metabolites - Total (Conjugated/Unconjugated), Urine 8664U Hydromorphone - Total (Conjugated/Unconjugated), Urine 9343U Heroin Screen, Urine