Phenobarbital
Performing Lab(s)
Memorial-Belleville only
Specimen Requirement (s)
Specimen Type: Plasma
Container/Tube: mint green LiHep Tube (preffered)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL plasma
Collection Instructions:
- Trough level - drawn within 30 minutes before next dose.
Lab instructions: NA
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: 60 minutes
Routine: less than 8 hours from receipt.
Transport and Stability
Transport temperature: Ambient to lab
Reference Values
0 day - 18 years 15.0 - 40.0 ug/mL(mcg/mL)
18 years - 150 years 10.0 - 40.0 ug/mL(mcg/mL)
Critical High: ≥ 59 mcg/mL
CPT/LOINC Codes
80184