Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type Blood (5) Fluid (4) Serum or Plasma (5) Tissue (3) (-) Urine (5) Test Area Exposure (2) 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 Antimalarials (1) Carboxylic Acids (2) Opiates/Opioids (2) Test Test Name 2300U Hippuric Acid, Urine 2306U Hippuric Acid and Methylhippuric Acid, Urine 2362U Hydroxychloroquine, Urine 8663U Hydrocodone and Metabolites - Total (Conjugated/Unconjugated), Urine 8664U Hydromorphone - Total (Conjugated/Unconjugated), Urine