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 (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (3) Test Category Alcohol Deterrents (1) (-) Analgesics (3) Antianxiety (8) Antiarrhythmics (4) Anticholinergics (3) Antidepressants (6) Antihistamines (12) Antileprosy Agents (2) Antitussives/Cough Suppressants (10) Cholinesterase Inhibitors (3) Diuretics (4) Drugs of Abuse (34) Drugs of Abuse, Therapeutics (13) Industrial/Environmental Toxins (2) Muscle Relaxants (1) NPS/Designer Drugs (3) Pesticides/Insecticides (3) Potassium Channel Blockers (2) Solvents (9) Volatiles (7) Test Sub-Category NSAIDs (2) (-) Opiates/Opioids (3) Test Test Name 8662B Dihydrocodeine - Free (Unconjugated), Blood 8662SP Dihydrocodeine - Free (Unconjugated), Serum/Plasma 8662U Dihydrocodeine - Total (Conjugated/Unconjugated), Urine