Diazepam and Metabolite


Therapeutic drug monitoring of anxiolytic drug. Nordiazepam is the active metabolite of the parent drug. Elimination half-life is 20-90 hours.

Diazepam: is a benzodiazepine (ben-zoe-dye-AZE-eh-peens). It affects chemicals in the brain that may be unbalanced in people with anxiety.

Diazepam and Metabolite


Average competitors price


Pricing based on average direct to consumer pricing.
  • Fasting Required: NO
  • Preferred Specimen: Serum
  • Reference Range(s):
    Diazepam + Nordiazepam 100-1500 ng/mL
    Therapeutic range 100-1500 ng/mL
    Potentially toxic >3000 ng/mL
  • Turnaround Time: 3 Days
  • Test Code: 90853