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) (1) Sample Type Blood (2) Serum or Plasma (3) (-) Urine (1) Test Area Therapeutics (1) Test Category (-) Analgesics (1) Antacids (1) Antianxiety (5) Antiarrhythmics (1) Anticholinergics (1) Antidepressants (6) Antiepileptics/Antiseizures (1) Antihistamines (7) Antihypertensives (2) Antimicrobials (1) Antipsychotics (4) Benzodiazepines (1) Biomarkers (1) Cholinesterase Inhibitors (1) Diagnostic Aids (1) Drugs of Abuse (8) Industrial/Environmental Toxins (3) Metals/Elements (8) Muscle Relaxants (4) NPS/Designer Drugs (4) Other (1) Pesticides/Insecticides (1) Sedative/Hypnotics (7) Solvents (4) Stimulants (5) Volatiles (2) Test Sub-Category Opiates/Opioids (1) Test Test Name 1306U Codeine - Total (Conjugated/Unconjugated) Screen, Urine