Carbamazepine level, total
Additional Codes
Epic# -
LAB21
Cerner name(s):
- Carbamazepine
- Tegretol
- Carbamazepine Level
Specimen Requirement (s)
Specimen Type: Plasma
Container/Tube: mint green LiHep tube (preferred)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL plasma
Collection Instructions:
- Collect trough level not more than 30 prior to the next dose unless toxicity is suspected.
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 or refrigerated to lab
Analyte Stability:
Ambient: 8 hours
Refrigerated: 24 hours
Frozen: 30 days
Reference Values
Reference Values |
Critical High |
4 – 12 mcg/mL |
≥ 14 mcg/mL |
CPT/LOINC Codes
80156