Specimen Requirements
Title
Diazepam (Valium)
Specimen Requirement
1 Red Top/1.0 mL serum. Do no collect in serum separator tube. After 30 minutes of clotting, centrifuge, separate and refrigerate serum.
Methodology
Stability
Room Temp 48 hours; Refrigerated 14 days; Frozen 14 days
Reference Range
By Report*
Turnaround
2-3 days
Clinical Use
Therapeutic drug monitoring of anxiolytic drug. Nordiazepam is the active metabolite of the parent drug. Elimination half-life is 20-90 hours.
Test Code
DIAZ