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) (4) Sample Type Blood (3) Serum or Plasma (3) (-) Urine (4) Test Area Therapeutics (4) Test Category Alcohols (1) Analgesics (2) Anticholinergics (1) (-) Antidepressants (1) Antiepileptics/Antiseizures (1) Antihistamines (1) Antipsychotics (1) Appetite Suppressants (1) Hallucinogens (1) Immunosuppressants (1) Metals/Elements (1) Muscle Relaxants (1) (-) Opiate/Opioid Antagonists (3) Other (1) Plasticizers (1) Solvents (5) Stimulants (1) Volatiles (3) Test Sub-Category Monoamine Oxidase Inhibitors (MAOI) (1) (-) Other (4) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Tetracyclics (1) Tricyclic (1) Test Test Name 3111U Naloxone - Total (Conjugated/Unconjugated), Urine 3113U Naloxone - Total (Conjugated/Unconjugated) Screen, Urine 3116U Naltrexone and Metabolite - Total (Conjugated/Unconjugated), Urine 3145U Nefazodone, Urine