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 (3) Anticholinergics (1) Antidepressants (5) Antiepileptics/Antiseizures (1) Antihistamines (5) Antihypertensives (2) Antimicrobials (1) Antipsychotics (2) Muscle Relaxants (2) Sedative/Hypnotics (5) Stimulants (2) Test Sub-Category Opiates/Opioids (1) Test Test Name 1306U Codeine - Total (Conjugated/Unconjugated) Screen, Urine