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 (1) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (1) Test Category Analgesics (4) Antiarrhythmics (1) Anticholinergics (2) Antidepressants (1) Antiepileptics/Antiseizures (1) Antimigraines (1) Biomarkers (1) Immunosuppressants (1) Metals/Elements (5) NPS/Designer Drugs (2) (-) Opiates/Opioids (1) Pesticides/Insecticides (1) Sedative/Hypnotics (2) Vasodilators (1) Volatiles (1) Test Sub-Category Other (1) Test Test Name 4127B Suboxone® - Free, Blood