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 (2) (-) Urine (1) Test Area Therapeutics (1) Test Category (-) Analgesics (1) Antacids (1) Antianxiety (2) Anticholinergics (1) Antidepressants (3) Antiepileptics/Antiseizures (1) Antihistamines (3) Antihypertensives (2) Antimicrobials (1) Antipsychotics (1) Benzodiazepines (1) Industrial/Environmental Toxins (1) Muscle Relaxants (1) NPS/Designer Drugs (4) Sedative/Hypnotics (4) Stimulants (3) Test Sub-Category Opiates/Opioids (1) Test Test Name 1306U Codeine - Total (Conjugated/Unconjugated) Screen, Urine