Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (5) Fluid (4) Serum or Plasma (5) Tissue (2) (-) Urine (3) Test Area Therapeutics (3) Test Category Acids (2) Alcohols (1) (-) Analgesics (2) Anticholinergics (1) (-) Antihistamines (1) Antihypertensives (1) Antimicrobials (1) Depressants (2) Hallucinogens (1) Herbicides (1) Volatiles (1) Test Sub-Category Opiates/Opioids (2) Other (1) Test Test Name 2365U Hydroxyzine and Metabolite, Urine 8663U Hydrocodone and Metabolites - Total (Conjugated/Unconjugated), Urine 8664U Hydromorphone - Total (Conjugated/Unconjugated), Urine